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Design >> Applications
| 1. | Simple DC motor driver circuit for beginners
When it comes to the making of most authentic simple DC motor drive circuit then only this website is counted on the top rank. For controlling the speed as well as direction of a small motor, this circuit consists of 741 operational amplifier. Reliability and durability are some of the salient features of this electronic circuit.
Source: EFY Network
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| 2. | Construction of voice activated switch for beginners
You all are wholeheartily welcomed to this website which brings simple circuit diagram of voice activated switch. A traditional voice activated switch ( VOX ) is completely unable in distinguishing difference between noise and voice. But here is the only modern technology based electronic circuit which overcomes this weakness. The switch is activated by voice level above the noise and not activated by background noise.
Source: EFY Network
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| 3. | Power supply for 2V to 25Vschematic
Welcome to this website which brings simple circuit diagram for carrying the voltage from 2V to 25V using LM338 adjustable 3 terminal regulator. This regulator named as LM338 adjustable 3 terminal regulator supply 5A current over variable output of 2V to 25V DC (direct current). Change the ratings of the components if 110VAC power supply input is required.
Source: EFY Network
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| 4. | Fixed voltage power supply
You all are wholeheartily welcomed to this website which brings simple circuit diagram of fixed voltage power supply. This fixed voltage power supply circuit is widely used in those applications where an adjustable output is not required. Reliability and durability are some of the salient features of this circuit.
Source: EFY Network
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| 5. | AM Transmitter For Engineering Students
Are you keenly interested in making your own AM transmitter? If yes, you are at right place. From the initial construction to the final working i.e. the entire manufacturing process is explained and discussed with complete details. Now you don't have to worry for your final year project. And you can only follow some simple instruction for making a authentic AM transmitter. The circuit is in two halfs, an audio amplifier and an RF oscillator.
Source: EFY Network
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| 6. | Beginners-based model railway signal project
This signal is controlled automatically by a passing train fitted with a magnet. It can also be manually set to red or green by pressing the switches. Trains will automatically stop at the red signal. Here is the simple method for making a reliable railway signal project. A magnet under the train operates reed switches positioned on the track. The first reed switch changes the signal to red as the train passes, then further along the track a second reed switch changes the signal back to green ready for the next train. The isolated section of track just in front of the signal is switched off by the relay when the signal is red so a train will stop automatically at the red signal.
Source: EFY Network
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| 7. | Variable Frequency Audio Oscillator
You all are most heartily welcomed to this website which brings simple circuit diagram of variable frequency audio oscillator using MC34119. This basic electronic project can be used as a low level alarm generator or a code practice oscillator. It is centered around MC34119 IC which is a low power audio amplifier. It provides a differential speaker outputs to maximize output swing at low supply voltages(2.0 V minimum). Coupling capacitors to the speaker are not required. It has the following features.
Source: EFY Network
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| 8. | 1 Watt 2.3 GHz RF Amplifier
Here you can see the simple circuit diagram of 1 Watt 2.3 GHz RF amplifier using a MRF2001. Simplicity and repeatability are featured in this 1-watt S-band amplifier design. The design uses MRF2001tranistor as a common base, class C amplifier. The amplifier delivers 1-watt output with 8-dB minimum gain at 24V. Applications include microwave communication equipments and other system requiring medium power, narrow band amplification.
Source: EFY Network
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| 9. | Melody Music Generation Project For Beginners
Welcome to this website from where you can learn the simple method for the complete construction of melody music generation project. It is designed to play the melody according to the previously programmed information. The device also includes a pre-amplifier which provides a simple interface to the driver circuit. This project based on the M348X IC is the electronic equivalent of a mechanical music box. It has a range of tunes and is activated by light falling on a light dependent resistor (LDR) sensor. It can be placed anywhere that you want a tune to play when light falls on it: a cupboard, music box. There could be some applications where the LDR is replaced by a switch or a push-button.
Source: EFY Network
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| 10. | 6V to 12V Converter For Beginners
Here you can learn simple circuit diagram for converting 6V into 12V. This inverter circuit can provide up to 800mA of 12V power from a 6V supply. For example, you could run 12V car accessories in a 6V (British?) car. The circuit is simple, about 75% efficient and quite useful. By changing just a few components, you can also modify it for different voltages.
Source: EFY Network
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| 11. | Motor Controller Project For Beginners
Here you can learn simple circuit diagram of motor controller project. By following some simple instructions, you can also make your own motor controller project. Now, you don't need to worry for your final year project because this is your perfect final year project. Here you can see the detailed description of the entire motor controller project.
Source: EFY Network
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| 12. | Hot Water Level Indicator
A simple device to indicate various levels of hot water in a tank. You can save fuel bills as well as the economy of the planet with this circuit. Here you can see the complete explanation of the circuit which is as follows: SW1 is a normally open press button switch which allows you to view the level of hot water in a hot water tank. When pressed the voltage difference at the junction of the thermistor and preset is compared to the fixed voltage on the op-amps non-inverting input. Depending on the heat of the water in the tank, the thermistors resistance will toggle the op-amp output to swing to almost full voltage supply and light the appropriate LED.
Source: EFY Network
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| 13. | Toilet Tank Refiller
Welcome to this website bringing simple circuit diagram of 12 volt toilet tank refiller. This circuit controls a small 12 Volt pump that is used to fill a toilet tank from an external rainwater collection cistern. Automotive windshield wiper pumps work nicely in this application. The 12 Volt power in my application comes from a small solar power system, it may also be provided by a suitable wall-wart DC power supply. The pump is switched on when the toilet tank is empty, it is switched off when the tank has filled.
Source: EFY Network
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| 14. | 2 Wire LCD Interface
Here you can see simple circuit diagram of 2 wire LCD interface using PIC16CF84. Alphanumeric LCD displays have become very popular for microcontroller applications because they can add a lot to a project in a variety of different ways. A text message giving the user instructions as well as feedback can make the application seem much more "professional" and easy to use. The most popular LCD interface is the Hitachi 44780 based LCD controller chip which provides a fairly easy to work with interface and low power consumption. The major drawback of the interface is the perceived complexity of working with the interface. This perception has been promoted by the lack of good (i.e. well translated) and accurate datasheets and web site information.
Source: EFY Network
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| 15. | Lightning Detectors For Beginners
Welcome to this website which brings simple circuit diagram of lighting detectors which can be easily run only on 5 volt supply. The new circuit features a superior RF section with a single resonance near 300kHz and plenty of sensitivity. The basic receiver is shown below. The antenna is a telescopic antenna that extends to two or three feet, the length is not critical. A high-value resistor (270k) is connected from the antenna to ground to control the Q and this value may be lowered if the circuit seems unstable but too low a value will destroy the sensitivity.
Source: EFY Network
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| 16. | DC Generator For Engineering Students
Here you can learn the simple method for the construction of high-voltage DC generator. The Miniature High-Voltage DC Generator, presented in this article, is capable of generating around 10,000-volts DC. It is also considered as the matchless example of modern engineering because it work impeccable with the least consumption of fuel.
Source: EFY Network
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| 17. | Programming-based lock system
Programmable number lock system is a high security number lock system that can be used to lock electronic devices. The present system is very user friendly. This system is a combination of software and hardware at its best. It consists of a 8051 microcontroller kit. Reliability and durability are some of the outstanding characteristic of this simple circuit.
Source: EFY Network
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| 18. | Automatic Train Engines For Beginners
For reducing the train accidents, this automatic train engine is specially designed. The idea is whenever any engine observes a red signal on its track it will start decreasing its speed gradually and stops automatically at some distance from the signal pole. After then when it gets green signal the driver can manually start the train and go on. In the mean time when train has not stopped yet and a red signal becomes green then it crosses the signal pole with low speed and then driver can slowly increase the speed.
Source: EFY Network
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| 19. | High-Voltage Zappers For Beginners
Here you can see the simple circuit diagram of high-voltage zappers. You have to take a major precaution. While working on high-voltage zappers, pleasure take care of yourself because it can be very dangerous to your health as well as good nature. A circuit that generates a high voltage by discharging the energy stored in a large-value capacitor through the primary winding of a high-turns-ratio step-up transformer is known a a Capacitor-Discharge (CD) system. It's the same concept used by many of the high-performance auto-ignition systems to produce a super-hot spark.
Source: EFY Network
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| 20. | PC control with TV remote
Are you keenly interested in making your own PC control system which can be easily controlled with the remote of your own TV system? If your answer is yes, you are at right place. Now you can control your mouse cursor and windows media player with your TV remote. So when you are watching a movie or listening songs on your PC, you need not to get up from your seat to change the volume or to change the track. You can simply use your TV remote to do this.
Source: EFY Network
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| 21. | Stepper motor control board
This project is actually an educational kit. One can study the full operation of unipolar type stepper motor using this board. As it is micro controller based it can be programmable also and one can learn micro controller interfacing with LEDs, key board and stepper motor. Thus single board serves the purpose of learning stepper motor control as well as learning micro controller programming.
Source: EFY Network
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| 22. | Lotto number selector for beginners
Are you keenly for for making some fun loving electronic project? If your answer is yes, you are at right place. Here you can see simple circuit diagram of LOTTO or POOLS selector - to help you win a fortune.
This project is a real winner in more ways than one. When you understand how the circuit works, it is really 4 projects in one. And it has two modes of operation: manual and automatic.
Source: EFY Network
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| 23. | Electronic touch switch for beginners
This touch switch is a so-called hum-induced type, the advantage of this type is that you need only a single contact. Normally the capacitance of the touch contact to ground is very small. When you touch the button, you will act as a large capacitance to ground (C_par human), allowing a small AC current (I) to flow from the mains, (!) through the small parasitic capacitance of the mains transformer (C_par transformer). and the rectifier (C_par bridge) of the DC supply into your finger.
Source: EFY Network
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| 24. | NTSC Test Signal Generator
To generate accurate reference signals, this digital video test signal generator is widely used in industrial as well as domestic purposes. This kind of test signal generators for personal use are often found as construction kits, however, most of the kits are designed on cheap analog method and the wave form is not accurate, therefore it cannot be used as a standard signal in fact. A video test pattern generator will be needed when calibrate or test video equipments. To characterize system performance and understand it quantitative, wave form monitor, vector monitor and related video measurement equipments will be required. Some generic patterns, such as color bars, cross hatch, dots and full field, are also used for home video creation to calibrate video monitors without any measurement equipment.
Source: EFY Network
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| 25. | The Sudoku Solver For Beginners
Welcome to this website which brings a renowned game - “Sudoku”. You all much familiar with the very famous game named as “Sudoku”. You have seen it in the news papers, you have seen it in the magazines or in the web sites, you might have sat hours 'n hours to solve it. Yes, it is the king of all number puzzles, it is "SUDOKU". We bring to you the ultimate solution for all your struggles, The SUDOKU Solver.
Source: EFY Network
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| 26. | AM / FM / SW Active Antenna
When it comes to the most trustworthy range of AM/ FM/ SW active antenna, then this website is counted on the top rank. This circuit shows an active antenna that can be used for AM, FM, and shortwave SW. On the shortwave band this active antenna is comparable to a20 to30 foot wire antenna. This circuit uses receivers that use untuned wire antennas, such as inexpensive units and car radios.
Source: EFY Network
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| 27. | Two-Tone Train Horn For Beginners
You all are heartily welcome to this website from where you can learn simple method of preparing of two-tone train horn. The whole construction process is explained with complete details. The circuit can be built simply by using one 556 or two 555 timers. With this circuit you can electronically simulate the noise of a diesel-train horn. The sound is triggered automatically as the train reaches a desired place on the track so you can produce the sound as the train approaches stations, level crossings, etc.
Source: EFY Network
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| 28. | Audio Oscillators For Engineering Students
Welcome to this website which brings simple circuit diagram of audio oscillator. Here is a phase-shift audio oscillator with excellent distortion characteristics thanks to "softened" diode limiting provided by the 1N914 and resistor divider and degenerated gain provided by the 68 ohm emitter resistor. For minimum distortion, increase the 68 ohm resistor to a point just below where oscillation stops. A simple buffer may be added for driving lower impedance loads. The output amplitude will be about 5 volts p-p but one of the 1N914's 10k divider resistors may be changed for a different output amplitude. The circuit will work well with a power supply voltage other than 9 volts but the 68 ohm resistor may need adjustment.
Source: EFY Network
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| 29. | A Simple Capacitance Multiplier Power Supply
Here you can see simple circuit diagram of capacitance multiplier power supply. This website consists all the vital information for the construction of simple capacitance multiplier power supply. Unfortunately, a very low ripple power supply is needed for all Class-A amps, and the most common solution is to use a regulated supply. A basic circuit is provided in the article, but it is assumed that the builder knows all the pitfalls. The supplied schematic is in fact for a capacitance multiplier filter (not a regulator), but is somewhat lacking (I feel) and can be improved dramatically. While the performance of a true regulated supply will be excellent (if properly designed and built), there are a number of problems for a high-current, low ripple design if regulators are used.
Source: EFY Network
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| 30. | 12 Volt Strobe Circuit For Beginners
This is one of my stroboscope designs. Usually many stoboscope circuit work directly from mains voltage, but this circuit uses 12V DC instead of mains AC. This is very good idea if you don't want to mess with direct mains voltage connected circuit or you want to run the stroboscope from batteries. The circuit has some special functions compared to other stroboscope circuits found electronics books. First the there is a switch for selecting the flash power: with C3 you can get very fast flash rates (over 50 Hz), C2 is most suitable for normal operation and using C1 directly you get very bright single flashes.
Source: EFY Network
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| 31. | Digital IC Tester For Engineering Students
Welcome to this website from where you can learn simple method of manufacturing of digital IC tester. Reliability and durability are some of the salient features of this project. We can easily test any digital IC using this kind of an IC tester. An integrated circuit tester (IC tester) is used to test integrated circuits (ICs). For testing an IC, we need to use different hardware circuits for different ICs; like we need a particular kind of tester for testing a logic gate and another for testing flip flops or shift registers which involves more complication and time involved will also be more.
Source: EFY Network
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| 32. | Water level indicator and controller for beginners
Here you can see simple circuit diagram of water level indicator which is specially designed for the beginners. You will glad to know that you can make also make your own water level indicator by following some simple steps. And these all simple steps are explained with complete details. The present concept implements controlling of pump which pumps water from the sump (underground tank) to the overhead tank, using 8951 microcontroller. The control panel, i.e. the main control unit of the system which consists of the primary control switches, pump indicator, siren and level indicators.
Source: EFY Network
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| 33. | Beginners-based night light saver
This night light saver circuit is specially designed for conserving electric current. Here you can see the simple circuit diagram of night light saver. The saver uses 2051 chip and a small triac. The salient features of this saver are low-cost, simple installation, no battery backup, and save energy. The Saver V5.0 runs simple clock emulation program, turns a night light on and off with preset time, say 19:00 to 22:00 everyday. The design features low cost, easy installation, no battery backup and no EMI.
Source: EFY Network
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| 34. | Beginners-based data acquisition system using ATmega8
We can use a PC for connecting the homemade data acquisition hardware and produce the GUI for user friendly graphical presentation easily. One of the project that uses visual basic is the data acquisition & logging system using AT89C51. In this project, you can see the use of PC for GUI display and the homemade data converter board using the AVR microcontroller. The circuit is built with the ATmega8. The chip has the on chip 10-bit resolution A/D Converter. Temperature sensor are connected to the 6 channels ADC input. You can connect up to 8 sensors with the ATmega8 TQFP package. The analog inputs are captured by sending a command from PC. The readings will display graphically or text data. The data can also be recorded as the database.
Source: EFY Network
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| 35. | Motorcycle Battery Charger For Beginners
Are you keenly interested in making a long-term as well as reliable motorcycle battery charger? If yes, you are at right place. This 3A charger was originally designed to work with small batteries like those used in motorcycles. In principle it can be used to charge car batteries also but will take a lot longer. The charger below charges a battery with a constant current to 14.1 volt. This project looks very much alike with the Gel cell II charger elsewhere posted in the 'Circuits' section.
Source: EFY Network
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| 36. | Plant Moisture Meter For Engineering Students
You all are heartily welcomed to this website which brings simple circuit diagram of plant moisture meter. Here you can see the detail circuit diagram of plant moisture meter. Here is the entire working process: Stick the metal probes into a freshly watered plant and adjust R5 for a mid-scale meter deflection. The meter will monitor the soil wetness and the meter will indicate whether it is to moist or to dry. This circuit uses a dual power supply which could be created by two 9 volt batteries.
Source: EFY Network
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| 37. | Home Automation Project Based on X10
This project discusses the implementation of X-10 on a PIC microcontroller to create a home controller that can both send and receive X-10 signals. X-10 is a communication protocol designed for sending signals over 120 VAC wiring. X-10 uses 120 kHz bursts timed with the power line zero-crossings to represent digital information. X10 components send signals through your home electrical wiring. There are 16 house codes and 16 unit numbers per house code available on your network for a total of 256 addresses. You can control multiple devices by setting them the same house code.
Source: EFY Network
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| 38. | Beginners-based infra/radio remote control transmitter/receiver
Welcome to this website which brings simple circuit diagram of infra/radio remote control transmitter/receiver. You can make your own infra/radio remote control transmitter/receiver with the help of programmable PIC microcontrollers. If you are not familiar with microcontroller programming, you can use fixed encoder and decoder integrated circuits instead.
Source: EFY Network
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| 39. | Blinkie Circuits For Beginners
Here you can see the simple circuit diagram of blinkie circuit which work impeccable with the least consumption of electric power. This is very simple circuit diagram and each one can make their own blinkie circuit. For making a perfect blinkie, you much need LED (light emitting diode), resistors, astable generator etc. A pulse generator, or astable, circuit can be made using four resistors, two capacitors, two LEDs and two transistors. 'Blinkie' uses these components to form a face, with the flashing LEDs representing the eyes.
Source: EFY Network
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| 40. | High-Voltage Pulse Generator
We will describe a laboratory pulse generator using an auto-ignition coil and capable of delivering a train of pulses up to 30,000 volts. With a couple of minor circuit and construction variations, the project is suitable for use as an electric-fence charger, operating at a lower voltage, but capable of much higher output current. Applications for a high-voltage spike are numerous: electromagnetic and radio-frequency interference (RFI) studies, electrostatic-discharge simulation; investigation of insulation breakdown; flammability experiments; strobe effects; etc. A DC power supply or battery is required, and pulse potential may be varied simply by changing the supply voltage.
Source: EFY Network
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| 41. | Valentine Heart For Beginning Students
Are you interested in making some fun loving electronic projects? If yes, then electronic valentine heart is counted on the top. This can also be perfect gift for your love ones. And you will be amazed to know that it work faultless with the least consumption of electric power. 18 LEDs flash at three different rates and you can use these to create an eye-catching valentine heart for that special person. A template for the heart shape can be downloaded. The circuit is kept simple (and low cost) by using the 4060B IC which is a counter and oscillator (clock) in one package. The circuit requires a 9V supply, such as a PP3 battery.
Source: EFY Network
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| 42. | Model Railway Signal For Beginners
Now, you can also make your own model railway signal. This signal is controlled automatically by a passing train fitted with a magnet. It can also be manually set to red or green by pressing the switches. Trains will automatically stop at the red signal. A magnet under the train operates reed switches positioned on the track. The first reed switch changes the signal to red as the train passes, then further along the track a second reed switch changes the signal back to green ready for the next train. The isolated section of track just in front of the signal is switched off by the relay when the signal is red so a train will stop automatically at the red signal.
Source: EFY Network
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| 43. | Beginners-based DC Generator
Now, you don't have to worry for making a reliable DC generator. By following some steps, which is mentioned below, you can also make your own DC generator. From the initial step to the final working i.e. the entire manufacturing process is discussed with complete details. And here is the details: The Miniature High-Voltage DC Generator, presented in this article, is capable of generating around 10,000-volts DC. So high a voltage can ionize air and gases, charge high-voltage capacitors, and also be used to power a small laser or image tube, and has many other application that are useful to both the experimenter and the researcher.
Source: EFY Network
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| 44. | Lightning Bulb For Engineers
Are you keenly interested in making your own lighting bulb? If your answer is yes, you are at right place. For enhancing the beauty of your interior as well as exterior decor, this lighting bulb is widely used. You will be pleased to know that this is very simple electronic project and any one can make this project. Here you can see the complete details of the lighting bulb and now you don't have to worry for making this reliable project.
Source: EFY Network
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| 45. | High-Voltage Pulse Generator For Engineers
Here you can see the simple circuit diagram of high-voltage pulse generator. And it is the matchless example of modern engineering because it work impeccable with the least consumption of fuel. We will describe a laboratory pulse generator using an auto-ignition coil and capable of delivering a train of pulses up to 30,000 volts. With a couple of minor circuit and construction variations, the project is suitable for use as an electric-fence charger, operating at a lower voltage, but capable of much higher output current. Applications for a high-voltage spike are numerous: electromagnetic and radio-frequency interference (RFI) studies, electrostatic-discharge simulation; investigation of insulation breakdown; flammability experiments; strobe effects; etc. A DC power supply or battery is required, and pulse potential may be varied simply by changing the supply voltage.
Source: EFY Network
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| 46. | Automatic 9-Volt Battery Charger For Beginners
Welcome to this website which brings simple circuit diagram of automatic 9-volt battery charger which is specially designed for the beginners. This is a perfect project for your final year presentation which can also be further used for your domestic purposes. Reliability and durability are some of the salient features of this circuit. Here is the detailed description of the circuit.
Source: EFY Network
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| 47. | Precision Low Capacitance Meter
This circuit is originally designed to measure the volume of the fluid inside a 10cc syringe. It consists of two copper foil strips attached to the outside barrel of the syringe. The fluid between the two copper strips increases the capacitance. As the fluid volume decreases, the capacitance also decreases. The circuit measures the unknown capacitance by applying a clean 20KHz 5v peak to peak triangle signal to the capacitor. The current routed through the capacitance is sent to a current to voltage converter.
Source: EFY Network
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| 48. | Audio Visual Ringer
Here is the simple circuit diagram of audio visual ringer. Many a times one needs an extra telephone ringer in an ad joining room to know if there is an incoming call. For example, if the telephone is installed in the drawing room you may need an extra ringer in the bedroom. All that needs to be done is to connect the given circuit in parallel with the existing telephone lines using twin flexible wires. This circuit does not require any external power source for its operation.
Source: EFY Network
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| 49. | Beginners-based Adjustable Timer
Are you keenly interested in making your own adjustable 1-10 minute timer project? If yes, you are at right place. Now, you don't have to worry for your final year project. And this is a perfect project for your final year presentation. This circuit starts timing when switched on. A green LED lights to show that timing is in progress. When the time period is over the green LED turns off, a red LED turns on and a bleeper sounds. The time period is set by a variable resistor and it can be adjusted from 1 to 10 minutes (approximately).
Source: EFY Network
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| 50. | Electronics Attenuator For Engineering Students
When it comes the making of most reliable electronic attenuator, then this website is counted on the top. By following some simple instructions, you can also make your own electronic attenuator. Here you can see the detail description of the entire process: Two low voltage, low power zeners are used to control electronically the level of an audio signal. The attenuation range is from 6 to 58dB for an input current from 0.042 to 77 mA corresponding to a control voltage from 2.7 to 7.5V. If control voltage is limited to 5V, the attenuation is around 30dB at a control current of 2mA. This is not an HiFi attenuator but might come useful as a general purpose audio attenuator.
Source: EFY Network
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| 51. | Simple fixed 5V DC Power Supplies Project
Welcome to this website which brings simple circuit diagram of 5V DC supply circuit. This project provides the schematic and the parts list needed to construct a simple DC Power Supply from an input power supply of 7-20 V AC or 7-30V DC. This project will come in handy especially if you use a lot of batteries for your basic electronics project.
Source: EFY Network
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| 52. | Variable 5 to 15V DC Supply
This is a simple DC regulated supply project using 7805 voltage regulator to obtain a variable DC voltage range from 5V to 15V. This project is a simple DC regulated power supply that has a variable DC voltage range from 5V to 15V. It can supply current up to a 400mA to power the various circuits for your electronic projects. The voltage output is varied by using the potentiometer VR1. In this circuit, the input line power supply is designed for 240VAC. If 110VAC input is used, change the ratings of the varistor to 150VAC and the transformer ratio to 110V/12V.
Source: EFY Network
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| 53. | Touch Switch For Beginners
This circuit uses a 555 timer as the bases of the touch switch. You can learn more about 555 timers in the Learning section on my site. When the plate is touched the 555 timer is triggered and the output on pin 3 goes high turning on the LED and the buzzer for a certain period of time. The time that the LED and the buzzer is on is based on the values of the capacitor and resistor connected to pin 6 & 7. The 10M resistor on pin 2 causes the the circuit to be very sensitive to the touch.
Source: EFY Network
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| 54. | Beginners-based light alarm
This project provides the schematic and the parts list needed to construct a simple Light Alarm. Protect your medicine cabinet, cash drawer or lolly cupboard with this alarm. It will sound as soon as the drawer is opened and light falls on the Darlington phototransistor. It may be connected remotely at the end of two pieces of wire. The output alarm may be redesigned to activate a relay or triac. The project is a light alarm which will detect very low levels of light. It will not work as well as your eye in detecting light because the human eye is the most sensitive light detector there is. But it comes close. For best results have the MAL12 pointed in the direction which light will come.
Source: EFY Network
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| 55. | Flashy Christmas Lights For Beginners
Here is the simple circuit diagram of flashy Christmas light. For enhancing the beauty of any interior as well as exterior decor, this flashy Christmas light is widely used. You will be amazed to know that it work impeccable with the least consumption of electric power. This simple and inexpensive circuit built around a popular CMOS hex inverter IC CD4069UB offers four sequential switching outputs that may be used to control 200 LEDs (50 LEDs per channel), driven directly from mains supply. Input supply of 230V AC is rectified by the bridge rectifiers D1 to D4.
Source: EFY Network
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| 56. | Beginners-based DTMF Tone Decoder
You all are wholeheartily welcomed to this website which brings simple circuit diagram of DTMF tone decoder. From the initial step of preparation to the final functioning i.e. the entire manufacturing process is explained with complete details. This project displays telephone numbers decoded from tones. A microphone picks up the tones, a preamplifier boosts the signals, an SSI-202 DTMF chip decodes the tones, a Basic Stamp acts as an interface to an LCD display and also provides "RS-232" serial output.
Source: EFY Network
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| 57. | H-Bridge For Engineering Students
Here is the simple circuit diagram of H-Bridge which drives DC motors forward and backward. This circuit drives small DC motors up to about 100 watts or 5 amps or 40 volts, whichever comes first. Using bigger parts could make it more powerful. Using a real H-bridge IC makes sense for this size of motor, but hobbyists love to do it themselves, and I thought it was about time to show a tested H-bridge motor driver that didn't use exotic parts.
Source: EFY Network
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| 58. | Basic Lamp Dimmer For Engineers
Lamp dimmers using traics can be quite simple, nothing more than a potentiometer, resistor, capacitor and triac with a built-in diac. The circuit below is similar to designs using unijunction transistors to generate the triggering pulse. The unijunction is replaced by a two-transistor "flasher" circuit that drives a pulse transformer. This type of circuit gives a wide range of control while exhibiting little hysteresis or line voltage sensitivity. The two diodes rectify the line voltage such that the flasher sees a positive voltage pulse on each half-cycle and, after a delay set by R and the 0.1uF capacitor, the flasher circuit triggers the triac.
Source: EFY Network
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| 59. | Touch Switch And Delay Circuit Using 555 Timer IC
You all are wholeheartily welcomed to this website which brings simple circuit diagram of touch switch and delay circuit using 555 timer IC. By following some simple steps, you can make your own touch switch and delay circuit. Here is the complete description of the circuit. In this simple touch switch circuit, the 555 timer is configured as a one shot multivibrator that is triggered by touching the touch terminal. In this monostable mode, the timer generates a fixed pulse of about 4 seconds whenever the trigger voltage falls below Vcc/3.
Source: EFY Network
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| 60. | Power Supply For Beginners
When working with electronics, you always need one basic thing; power. For working your project faultless as well as impeccable, you much need continuous and uninterrupted power supply. This power supply is great for powering all kinds of electronic projects. It produces a well filtered, variable 1.2-30 volts at 5 amps. It is easy to build and the parts are relatively easy to find.
Source: EFY Network
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| 61. | Simple Component and Continuity Tester For Engineers
Are you worried for the testing of your electronics components? This simple project may be used for testing components, as well as checking circuit board tracks, wires and connections for continuity (conduction). It tries to pass a small current through the item being tested and the LED will light brightly, dimly or not at all according to the resistance of the item
Source: EFY Network
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| 62. | Model Lighthouse For Beginners
You are heartily welcomed to this website from where you can learn simple method of making your own model lighthouse. This project was designed for a model lighthouse to flash a lamp or LED in a simple sequence: two flashes of 2s with a short gap of 1s, followed by a longer gap of 5s before repeating the sequence. A 4017 counter is used to produce the flash sequence and this project includes information on how to adapt it to give a different flash sequence.
Source: EFY Network
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| 63. | Infra Red Switch For Beginners
Are you keenly interested in making your own infra red switch? If your answer is yes, you are at right place. By following some simple steps, you can make your own infra red switch. Here you can also see the entire working of the circuit with complete details. And the detail is: Any "button" of any remote control may be used to work this universal switch. The button must be pressed for two seconds (determined by R3 and C2) before the relay will operate. Once operated the circuit will remain in this state (latched) until reset. To reset, any button is pressed and held for the delay.
Source: EFY Network
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| 64. | Message Recorder Digital Electronics Project For Engineering Students
Here you can learn simple method of making a reliable message recorder digital electronic project. For recording different messages, this message recorder digital electronic project is widely used in electronics industry. The purpose of this digital electronics project is to record messages using a dedicated voice recorder integrated circuit. Recordings are stored in a non volatile memory cells, which means that the message will still be saved even though power has been removed from the device.
Source: EFY Network
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| 65. | A Dip Meter Using the Lambda Negative Resistance Circuit
Here is the simple circuit diagram of dip meter using the lambda negative resistance circuit. These days the tunnel diode is a scarce item, probably unobtainable from the normal electronic suppliers. An alternative solid state negative resistance circuit can be achieved by interconnecting an N channel junction field effect transistor (JFET) with a P channel JFET. This has been called the Lambda circuit because its characteristic curve looks something like the Greek upper case lambda (an upside down V).
Source: EFY Network
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| 66. | A simple Remote control Tester
Here is a handy gadget for testing of infrared (IR) based remote control transmitters used for TVs and VCRs etc. The IR signals from a remote control transmitter are sensed by the IR sensor module in the tester and its output at pin 2 goes low. This in turn switches on transistor T1 and causes LED1 to blink. At the same time, the buzzer beeps at the same rate as the incoming signals from the remote control transmitter. The pressing of different buttons on the remote control will result in different pulse rates which would change the rate at which the LED blinks or the buzzer beeps.
Source: EFY Network
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| 67. | Fun / Quiz Circuits For Beginners
Here you can learn simple method for making your own fun/quiz circuit board. This is very simple electronic project for beginners. This project can be used for a quiz with up to 4 contestants (or teams). Each contestant has a trigger push-switch and LED. When a trigger switch is pressed it lights the corresponding LED, sounds the bleeper and prevents the other trigger switches from working - therefore showing which contestant was the first to press their switch.
Source: EFY Network
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| 68. | Audio amplifier output relay delay
For controlling the speaker output relay, this circuit is widely used in the entire electronics industry. The purpose of this circuit is to control the relay which turns on the speaker output relay in the audio amplifier. The idea of the circuit is wait around 5 seconds ofter the power up until the speakers are switched to the amplifier output to avoid annoying "thump" sound from the speakers. Another feature of this circuit is that is disconnects the speaker immediately when the power in the amplifier is cut off, so avoiding sometimes nasty sounds when you turn the equipments off.
Source: EFY Network
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| 69. | Computer Microphone For Beginners
Are you wholeheartedly interested in making your own computer microphone? If yes, you are at right place. The sound card for a PC generally has a microphone input, speaker output and sometimes line inputs and outputs. The mic input is designed for dynamic microphones only in impedance range of 200 to 600 ohms. Lazar has adapted the sound card to use a common electret microphone using this circuit. He has made a composite amplifier using two transistors.
Source: EFY Network
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| 70. | Low Noise Balanced Microphone Preamp For Engineers
Here is the simple circuit diagram of noise balanced microphone preamp which produces very low noise as well as high hum rejection and variable gain with a single rotary pot, similar to that used in many professional grade mixing desks. It is similar to that used in many professional grade mixing desks and can form the basis of a no compromise recording mixer for live work. The design consists of differential compound pairs of transistors with a common mode (floating) gain control connecting the emitters of the pair. The compound pairs of 2N4403 and BC549s are far more linear than any single transistor.
Source: EFY Network
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| 71. | Zener Diode Tester For Beginners
Here is a handy zener diode tester which tests zener diodes with breakdown voltages extending up to 120 volts. The main advantage of this circuit is that it works with a voltage as low as 6V DC and consumes less than 8 mA current. The circuit can be fitted in a 9V battery box. Two-third of the box may be used for four 1.5V batteries and the remaining one-third is sufficient for accommodating this circuit. In this circuit a commonly available transformer with 230V AC primary to 9-0-9V, 500mA secondary is used in reverse to achieve higher AC voltage across 230V AC terminals.
Source: EFY Network
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| 72. | Signal Tracer
Here is the simple circuit diagram of signal tracer. Reliability and durability are some of the outstanding characteristics of this project. From the initial step of preparation to the final working i.e. the whole manufacturing process is given with detail description. Here is the process: the main part of this circuit is the LM386 amplifier chip. It also uses a transistor input to buffer the input signal and provide extra gain for the LM386. The little unit has helped me out on numerous occasions when trouble shooting any amplifier circuit like a stereo receiver, TV / VCR audio section, radios, CD players and car stereos.
Source: EFY Network
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| 73. | Simple Car Battery Charger
You all are wholeheartily welcomed to this website bringing simple circuit diagram of car battery charger. For charging the battery just connect the positive and negative terminals of the circuit to the corresponding terminals of the battery. When the battery is not charged, the ammeter reading shows 1-3 amps. When the battery is fully charged the ammeter reads Zero or nearly zero, after which the battery should be removed from the charger. The circuit is a full wave rectifier using 2 diodes for rectification.
Source: EFY Network
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| 74. | Dummy Alarm For Beginners
This project makes a superbright LED flash briefly once every 5 seconds to imitate the indicator light of a real alarm. The circuit is designed to use very little current to prolong battery life so that it can be left on permanently. This Dummy Alarm project makes an LED flash briefly once every 5 seconds to imitate the indicator light of a real alarm. The circuit is designed to use very little current to prolong battery life so that it can be left on permanently. An on/off switch is not included, but could be added if you wish.
Source: EFY Network
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| 75. | Reverse Bias Oscillator For Beginners
Welcome to this website which brings the complete and detail description of reverse bias oscillator. There are a number of NPN transistors that will oscillate in the audio range when reverse biased. Minimum supply voltage is 7V for low power transistors such as BC109, BC238 and 2N2222A, it becomes 12V for medium power transistors such as BD139 and is 16V for power transistors as BUX22 and 2N6543. Current drain is 4mA at 9V and frequency of oscillation is 550Hz. The base is normally left open.
Source: EFY Network
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| 76. | Soft ON/OFF switch for engineering students
Modern electronic equipment incorporate "push-to-on-push-to-off" switches that do not make the clicking noise as with old equipment. An example of this is the power button on a ATX computer cabinet. Here is a circuit that does the same. It can be used to turn on/off any electronic/electrical equipment that operates on any range of voltages. When the "ON/OFF" button is pressed once, the equipment goes on and stays on. It goes off when the button is pressed again. The circuit is straight forward. It uses a JK CMOS FlipFlop to with its JK terminals tied high to achieve the toggling action.
Source: EFY Network
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| 77. | Hand Clap Electronic Control
Are you familiar with CLAP-ON as well as CLAP-OFF circuits? If not, you are at right place. This circuit is the matchless example of CLAP-ON as well as CLAP-OFF circuits. Here you can see the detail well as complete working of CLAP-ON as well as CLAP-OFF circuits. Circuit operation is as follows. A single hand clap will be picked up by the electric mic which is coupled through C1 into the op amp IC1. The output of IC1 triggers the 555 IC timer IC2 which is configured as a monostable multivibrater. The trigger pulse is stretched by IC2 and outputs a pulse to IC3 a D type flip flop.
Source: EFY Network
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| 78. | Full-duplex doorphone with 3 wires connection
Here is the simple circuit diagram of full-duplex doorphone with 3 wires connection. When it comes to the most authentic full-duplex doorphone then this circuit is counted on the top rank. This circuit is a two-way (full-duplex) construction planned for use as doorphone. To use, two pieces of the same circuit must be connected together with three wires: MINUS (ground), PLUS (power) and LINE. One of the circuits must be connected to a stabilized power supply, 6-30VDC.
Source: EFY Network
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| 79. | FM Telephone Bug
Are you worried for making a reliable FM telephone bug? Here is a simple transmitter that when connected to a phone line, will transmit anything on that line (execpt the dial tone) to any FM radio. The frequency can be tuned from 88 to about 94Mhz and the range is about 200 feet. It is extremely easy to build and is therefore a good, useful beginner project.
Source: EFY Network
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| 80. | Touch 'N Flip For Beginners
This circuit will give you a feel for how the touch plate works in a circuit and you can expand on the circuit to suit your project needs. The touch plate can be a small piece of metal or aluminum foil. Start the circuit by moving S2 to the set position and then back to the previous position. Now press S1. One of the LED's will light. Now touch the touch plate and the LED's will flip on the opposite way. The sensitivity of the plate will vary depending on the humidity. Adjust the VR and capacitor that is connected to S2 to adjust the sensitivity.
Source: EFY Network
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| 81. | PWM Motor/Light Controller For Beginners
The circuit described here is a general purpose device that can control DC devices which draw up to a few amps of current. A pulse width modulator (PWM) is a device that may be used as an efficient light dimmer or DC motor speed controller. The circuit may be used in 12 Volt and 24 Volt systems with a few minor changes. This device has been used to control the brightness of an automotive tail lamp and as a motor speed control for small DC fans of the type used in computer power supplies. A PWM circuit works by making a square wave with a variable on-to-off ratio, the average on time may be varied from 0 to 100 percent. In this manner, a variable amount of power is transferred to the load. The main advantage of a PWM circuit over a resistive power controller is the efficiency, at a 50% level, the PWM will use about 50% of full power, almost all of which is transferred to the load, a resistive controller at 50% load power would consume about 71% of full power, 50% of the power goes to the load and the other 21% is wasted heating the dropping resistor.
Source: EFY Network
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| 82. | FM Stereo Transmitter
You will be pleased to know that this is very simple electronic project. This circuit work faultless with the least consumption of electric power. It will transmit good quality sound in the FM band ( 88 - 108 mhz ). One important item is that the IC chip operates on 3 volts DC. The chip will get destroyed if it is operated on any voltage higher than 3.5 volts. The antenna can be a standard telescopic antenna or a 2 foot length of wire. The input is in the millivolt range and you may need to add additional pots for the inputs.
Source: EFY Network
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| 83. | Phone Hold Circuit For Beginners
This circuit will allow you to place a phone call on hold and if you wish to have them listen to music while they are on hold. The circuit operates as follows: The RED wire from the phone jack is typically positive and the GREEN wire is negative or ground. When you want to place a call on hold, close S1 and hang up the handset. The resistor R1 simulates another phone off hook and allows enough current to pass through to prevent the phone company from disconnecting the call.
Source: EFY Network
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| 84. | Christmas Decoration For Beginners
Here you can learn simple method of construction of Christmas decoration circuit. The simple circuit diagram of Christmas decoration is given below with the complete details. 18 LEDs flash at three different rates and you can use these to create a decoration of your choice. A template for a Christmas tree can be downloaded. The circuit is kept simple (and low cost) by using the 4060B IC which is a counter and oscillator (clock) in one package. The circuit requires a 9V supply, such as a PP3 battery.
Source: EFY Network
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| 85. | Beginners-based Dice Project
When it comes for the making of the most authentic dice project then this website is counted on the top rank. You can follow some simple steps for the complete manufacturing of dice circuit. Press the push switch to 'throw' the dice: this makes the circuit rapidly cycle through the dice numbers so that an effectively random dice number is displayed by the LEDs when the push switch is released.
Source: EFY Network
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| 86. | Infrared Remote Control
Welcome to this website which brings simple circuit diagram of infrared remote control. This circuit will allow you to turn on any piece of equipment that operates on 115 volts ac. The receiver circuit is based on the radio shack infrared receiver module(MOD), part number 276-137. It is also available from some of the other sources listed on my Links page. The MOD accepts a 40khz IR signal that is modulated at 4 khz. When a signal is received the MOD will go low. The sensitivity of the MOD is set by different values for R1 and C1.
Source: EFY Network
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| 87. | Intercom Project For Engineering Students
Are you keenly interested in making a reliable intercom project? If your answer is yes, you are at right place. Now, you can construct your own construct your own two station intercom project. It uses LM386 amplifier. Each intercom station has its own battery, speaker, microphone and amplifier circuit. This intercom project provides the schematic and the parts list needed to construct a very simple wired two station Intercom. This project will help beginners to electronics understand one of the application of operational amplifiers (OP AMP). In this case, the LM 386 operational amplifier is configured as an amplifier.
Source: EFY Network
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| 88. | Mains Power Failure Alarm Project
This project is a power supply monitoring device that will trigger a buzzer when the mains supply cuts off. At the same time, the light emitting diode will turn ON. This device is helpful to inform the loss of power supply to some critical installation such as a pump in a fish tank. Once the buzzer sound, one will know that there is a loss of power supply and actions need to be taken to rectify the situation by providing alternative power supply or relocating the installation.
Source: EFY Network
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| 89. | Digital Remote Thermometer
Here is the complete and detail description of digital remote thermometer. From the initial step to the final working i.e. the entire manufacturing process is explained with complete detail. This circuit is intended for precision centigrade temperature measurement, with a transmitter section converting to frequency the sensor's output voltage, which is proportional to the measured temperature. The output frequency bursts are conveyed into the mains supply cables. The receiver section counts the bursts coming from mains supply and shows the counting on three 7-segment LED displays.
Source: EFY Network
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| 90. | Low impedance microphone amplifier for beginners
This is the a simple circuit diagram of low impedance microphone amplifier. The circuit is a microphone amplifier for use with low impedance (~200 ohm) microphones. It will work with stabilized voltages between 9-30VDC. If you don't build the impedance adapter part with T1, you get a micamp for higher impedance microphones. In this case, you should directly connect the signal to C7.
Source: EFY Network
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| 91. | Audio-video switch for engineering students
Here you can learn simple method for making your own audio-video switch. This is an 8-input x-output audio/video switch module to be controlled from a computer, for example from the parallel port. Each audio/video output can be switched to any of the 8 inputs, separately. One module drives one audio/video output and has a 34-pin connector to plug into the system interface. You can use video OPA-s on the 4051 output instead. Note that you can get full integrated video multiplexers from Maxim.
Source: EFY Network
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| 92. | 555 and 556 Timer Circuits
The 8-pin 555 timer must be one of the most useful ICs ever made and it is used in many projects. With just a few external components it can be used to build many circuits, not all of them involve timing. A popular version is the NE555 and this is suitable in most cases where a '555 timer' is specified. The 556 is a dual version of the 555 housed in a 14-pin package, the two timers (A and B) share the same power supply pins. The circuit diagrams on this page show a 555, but they could all be adapted to use one half of a 556.
Source: EFY Network
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| 93. | Car Ni-Cd Charger
Here you can see the simple circuit diagram of car Ni-Cd charger. By following some simple steps as well as instructions, you can make your own car Ni-Cd charger. You will be amazed to know that this circuit provides up to 20-Volt output from a regular 3.2V automotive battery, to enable constant current charging of Ni-Cd battery packs up to15 cells @1.2V (18V total).
Source: EFY Network
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| 94. | Car Battery Charger For Engineering Students
Here you can see simple circuit diagram of car battery charger. This charger will quickly and easily charge most any lead acid battery. The charger delivers full current until the current drawn by the battery falls to 150 mA. At this time, a lower voltage is applied to finish off and keep from over charging. When the battery is fully charged, the circuit switches off and lights a LED, telling you that the cycle has finished.
Source: EFY Network
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| 95. | Power Supply Circuit For Beginners
Are you wholeheartily interested in making the most truthworthy power supply circuit? If your answer is yes, you are at right place. Here you can see the complete and in-depth detail of the power supply circuit. Now, you don't have to worry for making a authentic power supply project for your final presentation. Reliability and durability are some of the outstanding characteristics of this circuit diagram.
Source: EFY Network
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| 96. | Telephone Record Control Circuit
This circuit will allow you to connect any tape recorder that has a mic and remote input to a phone line and automatically record both sides of a conversation when ever the phone is in use. You will need to take a couple of voltage readings before connecting the circuit. First determine the polarity of your phone line and connect it to the circuit as shown and then determine the polarity of the remote input and connect it to the circuit.
Source: EFY Network
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| 97. | AquaCont - Aquarium Control For Beginners
Here is the complete description of aquarium control system. The AquaCont is an electronic system which permits to manage and to monitor most of the parameters of all the electrics devices that can be found in a aquarium. The PIC18F4520 used to realize it, combines a real time clock and a temperature sensor in order to control 8 relays. For faultless working, the circuit diagram needs 5V power.
Source: EFY Network
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| 98. | PIC diode tester for beginners
Here you can see the simple circuit diagram of PIC diode tester. This is a simple use of the PIC16F84 about a diode tester. From the beginning to the final working i.e. the entire manufacturing process can be easily seen with detailed and complete description. Now, you don't have to worry for your final year project.
Source: EFY Network
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| 99. | Soft Musical Telephone Ringer Circuit
Welcome to the romantic macrocosm of music. Here you can learn the simple method of making your own soft musical telephone ringer. From avoiding the irritating sound of normal bell, this soft musical telephone ringer is specially designed. The circuit shown here converts the loud sounding bell into a soft and pleasing musical tone. The incoming ring is detected by transistor T1 and components wired around it.
Source: EFY Network
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| 100. | Phone Busy Indicator Circuit
Have you ever been using the modem or fax and someone else picks up the phone, breaking the connection? Well, this simple circuit should put an end to that. It signals that the phone is in use by lighting a red LED. When the phone is not in use, a green LED is lit. It needs no external power and can be connected anywhere on the phone line, even mounted inside the phone.
Source: EFY Network
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| 101. | 40 Meter Popcorn Superhet Receiver For Engineering Students
Are you interested in making your own 40 meter popcorn superhet receiver? If yes, your are at right place. Here is the detail as well as complete description of the receiver circuit. The circuit for a 40 meter radio receiver comes with some interesting tips that gives a glimpse of the techniques used to build a receiver from basic components.
Source: EFY Network
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| 102. | The flashing Heart For Beginners
Here is the simple circuit diagram of flashing heart. This can be a perfect gift for your love ones. Buying a gift for someone special or a loved one can sometimes be difficult or expensive. The flashing heart is the answer. It is easy to build and even the inexperienced hobbyist should be able to build it. With The Flashing Heart, you can get your message across in bright lights.
Source: EFY Network
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| 103. | Temperature Switch Project For Beginners
This project will provide you an understanding of the use of germanium diode and how it works compared to the more common silicon diode. It works on the principle that as the temperature surrounding the germanium diode increases, the back resistance decreases sharply. When the temperature of the surrounding increases, the back resistance of the germanium diode D1 decreases sharply causing the base of transistor Q1 to pull down to near ground potential.
Source: EFY Network
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| 104. | Electronic Locker For Beginners
Here is the simple as well as reliable circuit diagram of electronic locker. This electronic locker is controlled by a switches combination (by a code). There is a switch matrix on the door of the locker. This one is a unit of switches connected into 4 arranged of 4 columns for a total of eight terminals. When we press on a switch, this one establishes the contact between its column and its line.
Source: EFY Network
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| 105. | Constructing an FM Phone Transmitter
This project provides the schematic and the parts list needed to construct a FM Phone Transmitter. This device attaches in series to one of your phone lines. When there is a signal on the line (that is, when you pick up the handset) the circuit will transmit the conversation a short distance. In particular it will radiate from the phone line itself. It is a passive device - there is no battery. It uses the signal on the phone line for power. No aerial is needed - it feeds back the RF signal into the phone line which radiates it in the FM band. The frequency of transmission may be adjusted by the trimcap.
Source: EFY Network
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| 106. | Melody Music Project Description For Beginners
Here is the detailed description of alarm and music generator project using UM66TXXL. This simple electronics circuit utilizes a UM66TXXL TO92 package CMOS IC that generates song depending on the type of IC used. It has a built in oscillation circuit and need only a few external components to make it work. It is powered by a power supply range from 1.5V to 4.5 V DC with low power consumption, hence a longer battery lifetime.
Source: EFY Network
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| 107. | A 100 watt guitar amplifier for engineering students
Are you a music lover and interested in making a powerful guitar amp check out this project by Rod Elliot? If yes, you are at right place. Guitar amplifiers are always an interesting challenge project describes details guidelines in building a 100 watt guitar amplifier. However this amplifier is designed to plug into a wall outlet for power, if you are not familiar with building circuits powered by 120 volts you should not attempt this project.
Source: EFY Network
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| 108. | Digital Dice Project For Beginners
Here you can see the complete and simple circuit diagram of digital dice project. This Digital Dice electronic project uses a combination of 555 timer, 7490 decade counter, 7483 4-bit binary adder, 7447 BCD to 7 Segment Decoder in displaying a random number on the seven segment display once a button is pressed and released. This digital dice project is an interesting project that will display in random the number from 1 to 9 on the 7 segment display.
Source: EFY Network
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| 109. | JAM (Just A Minute) Circuit For Engineering Students
Here is the simple circuit diagram of JAM (just a minute) circuit. This circuit on the Electronics Zone Website fits up to 8 players in a knowledge quiz game. The first one to tap their button rings a buzzer and gets to answer the question. This jam circuit can be used in quiz contests wherein any par- ticipant who presses his button (switch) before the other contestants, gets the first chance to answer a question. The circuit given here permits up to eight contestants with each one allotted a distinct number (1 to 8).
Source: EFY Network
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| 110. | Water level buzzer For Beginners
You all are heartily welcomed to this website which brings a complete circuit diagram of water level buzzer. For your better understanding, here you can see detail description of the entire circuit diagram. You don't have to worry for the reliable final year project. Water level buzzer is a simple kit which will buzz when water reaches the sensor level.
Source: EFY Network
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| 111. | Sound Pressure Meter
This circuit on the Red Circuits Web site is used to calibrate the sound output of each speaker in your sound or home theater system so that they all have produce the same volume at your favorite chair. This project is used to setup home-cinema by adjusting all the loudspeaker outputs to the same level when heard from the listening position. In practice this device is a simple (though linear and precise) ac millivoltmeter, using an existing multimeter set to 50 or 100µA fsd with the probes connected to J1 and J2 to read the results.
Source: EFY Network
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| 112. | Cut Phone Line Detector For Beginners
Are you keenly interested in making your own cut phone line detector? If your answer is yes, you are at right place. When the circuit detects that a phone line has been cut, it activates a MOSFET which can be used to drive a relay, motor, etc. It can also be connected to a security system.
Source: EFY Network
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| 113. | Silicon Oscillators For Engineering Students
Linear Technology has launched LTC6930 -- a family of low-power precision silicon oscillators with fixed frequencies from 32.768 kHz to 8.192 MHz. LTC6930 is said to offer significant advantages in battery and portable applications. It is considered as the perfect example of modern science because it work impeccable with the least consumption of electric power. LTC6930 has a guaranteed startup time of less than 110usec.
Source: EFY Network
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| 114. | Weather Station Project For Beginners
Are you wholeheartily interested in making the most truth worthy weather station which always measures authentic reading? If yes, you are at right place. Here is the simple circuit diagram of weather station circuit which always measures true as well as dependable readings. In addition to this, you can also read pressure, relative humidity as well as indoor & remote outdoor temperature display. For working and reading faultless, it is supported with both Celsius or Fahrenheit & mbar/hPa or mm Hg.
Source: EFY Network
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| 115. | Refrigerator Door Alarm
Do your kids leave the door to the refrigerator open? Or does your celery reach out to keep the door from closing properly when you turn your back? Here's a simple circuit that beeps whenever the door is open for an extended period of time (which will also put a little pressure on the fridge loiterers in the house). The photocell has a very high resistance in the dark which drops very low when the door opens and the light turns on.
Source: EFY Network
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| 116. | Headlights Timer For Beginners
Here is the complete circuit diagram of headlights timer. From the initial step of preparation to the final functioning i.e. the whole preparation is given as well as explained with complete details. By following some of the simple steps as well as instructions, you can make your own headlights timer. Reliability and durability are some of the outstanding characteristic of this electronic circuit.
Source: EFY Network
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| 117. | A wireless scarecrow for beginners
This is a simple circuit diagram of a wireless scarecrow which detects the footsteps of different types of wild animals. This project detects footsteps of a deer or other creature and sounds an alarm to scare them away from your vegetable patch. But you have to keep this electronic circuit away from the bad weather.This design is every bit as sensitive and uses ordinary discrete components. The output will drive any variety of buzzers, relays or other devices.
Source: EFY Network
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| 118. | Digital Stopwatch For Beginners
Here you can see the simple circuit diagram for the construction of digital stopwatch. We must find a way to control the RESET function of the BCD counter, which is responsible for the counting of the seconds. As we have studied, the circuit resets when we have 99 to 100, that is 1001 1001 à 0001 0000 0000. To make a transformation successfully we must force the pulse from 59 to 60 0011 1001 à 0100 0000 on the output of the BCD counter.
Source: EFY Network
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| 119. | Running Message Display
You all are heartily welcomed to this website named as “Electronics Zone ”. This circuit on the Electronics Zone Website shows how to use LEDs to light up a message, such as WELCOME, one letter at a time. Due to their small size as well as low power consumption, LED (light emitting diode) are very advantageous in different types of electronic circuits.
Source: EFY Network
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| 120. | Sound pressure level meter
You all are wholeheartily welcomed to this website from where you can see the simple circuit diagram of sound pressure level meter. And this sound pressure level meter is very suitable as well as beneficial for home-cinema setup. In practice this device is a simple (though linear and precise) ac millivoltmeter, using an existing multimeter set to 50 or 100µA fsd with the probes connected to J1 and J2 to read the results.
Source: EFY Network
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| 121. | Plant Watering Watcher
Here you can see the simple circuit diagram of plant watering watcher. This electronic circuit works impeccable when a plant needs water. By measuring the moisture level of ground, plant watering watcher supply appropriate sufficient amount of water to the plant. Adjusting R2 will allow the user to adapt the sensitivity of the circuit for different grounds, pots and probe types. This circuit works faultless with the least consumption of electric power.
Source: EFY Network
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| 122. | AC Current Monitor For Engineering Students
For monitoring the activities of different electronic components, this AC current monitor is specially designed. This electronic circuit works on the remote control. Its sensor must be placed in contact with the feeder to be able to monitor when the power cable is drawing current, thus causing the circuit to switch-on a LED. The circuit and its sensor coil can be placed very far from the actual load, provided an easy access to the power cable is available.
Source: EFY Network
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| 123. | Beginners-based rain detector circuit diagram
Here you can see the simple circuit diagram of rain detector. This rain detector will give you a heads-up the instant it starts to rain, hopefully giving you time to close windows and bring in possessions. The battery-powered circuit draws virtually no current when the sensor is dry and the current consumption is low when the buzzer is activated so a couple of AA cells will last a long time.
Source: EFY Network
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| 124. | Basic UPS Power Supply For Beginners
Are you keenly interested in learning the basics UPS power supply? This circuit can be adapted for other regulated and unregulated voltages by using different regulators and batteries. This circuit is a simple form of the commercial UPS, the circuit provides a constant regulated 5 Volt output and an unregulated 12 Volt supply. In the event of electrical supply line failure the battery takes over, with no spikes on the regulated supply.
Source: EFY Network
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| 125. | Beginners-based church bell controller
Are you keenly interested in making your own church bell controller? If yes, you are at right place. This circuit is a church bell controller and the basic component is an ATmega32 microcontroller. At the circuit 1 24LC32 eeprom memories is being used. Reliability and longevity are some of the salient features of this church bell controller.
Source: EFY Network
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| 126. | 12-way Input/Output Interface For Engineering Students
Here you can see the detailed circuit diagram of 12-way Input/Output interface which is specially designed for the engineering students. The circuit uses two ULN2803 'drivers' controlled by logic ICs to allow multiple lines to be controlled at the same time. You can make your own 2-way Input/Output interface circuit by following some simple instructions.
Source: EFY Network
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| 127. | 100W RMS Amplifier for beginners
This is a 100 watt basic power amp that was designed to be (relatively) easy to build at a reasonable cost. It has better performance (read: musical quality) than the standard STK module amps that are used in practically every mass market stereo receiver manufactured today. For making a reliable 100W RMS amplifier, here is only given complete and detail description. You can follow some simple steps for the making a authentic 100W RMS amplifier.
Source: EFY Network
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| 128. | Final Year Electronic Projects
Here is the correct time for making your own final year electronic project. This website brings wide gamut of final year electronic projects like wireless projects, surveillance projects, amplifier projects, automotive projects, timer projects, motor control projects, telephone projects, MCU projects, thermostat projects, final year projects, power supplies, PCB, lighting projects, ham radio project, electronic parts etc., which all are specially designed for the beginners, hobbyists, technicians, engineers etc.
Source: EFY Network
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| 129. | Beginners-based electronic projects
Electronics Plus is dedicated to the electronic hobbyist. I provide monthly projects that are easy to build and allow you to learn the basic principles of electronics. There is a learning section at this site to help those people interested in increasing their knowledge of electronics. Every electronics project on this web site is completely free.
Source: EFY Network
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| 130. | Electronic projects for beginners
You all are wholeheartily welcomed at this website bringing wide gamut of electronic projects as well as electronic ideas. Some of them are as follows: stereo video digitizer, bluetooth based TV decoder, ISA prototyping board, parellel port interfacing etc. For performing faultless and impeccable, they all are tested as per international quality standards assuring optimum quality.
Source: EFY Network
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| 131. | Lots of electronics projects for electronic beginners
Welcome to the most exciting world of electronics. Here you can see different types of electronic projects, circuit ideas, circuit theory etc. When it comes to the most reliable range of electronic products then only this website is counted on the top rank. They all are tested as per laid down norms assuring optimum quality.
Source: EFY Network
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| 132. | Final year project for engineering students
For engineering students, it is mandatory to do a project work at final year. Here you can grab different types of projects including VLSI based projects, hardware platform projects, software platform projects, DSP based projects, hardware kits projects, microcontroller based projects, microprocessor based projects, ARM processor based projects, GPS or GPRS, GSM based projects, drives related projects etc.
Source: EFY Network
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| 133. | Mechatronics Engineering Final Year Projects For Engineering Students
These pages describe final year projects that have been designed particularly for mechatronics students. Mechatronics engineering encompasses computer science, electrical and electronic engineering and mechanical engineering as well, so final year projects can be undertaken with supervisors in any of the three departments. You can choose final year projects from any supervisor in any of these three schools. However, the assessment mechanism for all projects will follow the assessment rules for Mechanical Engineering projects because you are enrolled in either Mechatronics Engineering Project 450 or 472.
Source: EFY Network
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| 134. | Final year project for engineering students
Are you keenly looking for making your authentic final year project? If yes, you are at right place. You will be pleased to know that a gigantic range of electronics projects can be easily browsed only at this website at the very affordable price. Reliability and durability are some of the salient features of all these electronic projects.
Source: EFY Network
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| 135. | Engineering Student Project Ideas
Its time to submit your computer as well as electronics project abstracts. Here, you can easily search for good computer and electronics project ideas. Engineeringproject.org provides project ideas and abstracts with world class quality. Many of times students face difficulty in understanding the technology behind a project. By following some simple steps, you can make your own project for your final presentation.
Source: EFY Network
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| 136. | Surface Mount Power Metal Strip Resistor
The improved resistance stability of CSM2512S makes it ideal for tightened-stability voltage division and precision current sensing applications in switching linear power supplies, power amplifiers, measurement instrumentation, bridge networks, and medical and test equipment. More soever, CSM2512S complies with EEE-INST-002 (MIL-PRF 55342 and MIL-PRF 49465) for military and space applications. CSM2512S provides a 1-W power rating and maximum current up to 18A in a four-terminal Kelvin configuration for increased accuracy.
Source: EFY Network
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| 137. | Bulk Metal Surface-Mount Power Metal Strip Resistor
Here you can see state-of-the-art technology based bulk metal surface-mount power metal strip resistor. Vishay has announced a new high-precision bulk metal surface-mount power metal strip resistor that features an improved load-life stability of ±0.05 per cent at +70°C for 2000 hours at rated power, an absolute TCR of ±15PPM/°C from -55°C to +125°C, +25°C Ref., and a tolerance of ±0.1 per cent.
Source: EFY Network
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| 138. | LED-based circuits for engineering students
Here you can see different types of LED-based electronic circuits as well as circuit diagram. Some of them are as follows: LED Dice, LED Flasher, LED Power Meter, LED Torch Circuits, LED Zeppelin, Level Crossing etc. From the initial step of construction to the final working i.e. the entire construction process is explained with complete as well as detailed manner.
Source: EFY Network
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| 139. | Final Year Electronic Project For Engineering Students
Welcome to this website from where you can see more than 2000 links for different electronic projects. You will be pleased to know that this website is constantly being updated and new projects are being added at regular interval of time. The site now contains over 50Meg of files and it is available on CD for $9.95 (posted). The website also contains a basic electronics course and PIC programming course that is constantly being updated.
Source: EFY Network
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| 140. | Latest electronic projects for beginners
Here you can browse state-of-the-art technology based electronic projects which all are specially designed for the beginners, engineering students, hobbyists etc. Some of them are as follows: dazer, HV capacitors, HV pulser, lightning bulb, zappers etc. A gigantic range of electronic projects can be easily grabbed only at this single website.
Source: EFY Network
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| 141. | Lots of electronics projects for beginners
Are you keenly looking for different types of electronic projects, circuits ideas, electronic kits, circuit innovation etc? If your answer is yes, you are at right place. This website is specially designed for the new beginners having little or no knowledge of electronic circuit. In addition to this, you can also easily grab different types of e-books covering all electronics topics.
Source: EFY Network
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| 142. | Electronic Kits and Plans For Engineering Student
Welcome to this website which has hundreds of electronic kits and plans that are fun, educational, and hobby practical. Some other kits are also as follows: electronic kits, electronics kits, kits, electronics, hobby, component, plans, plan, circuits, circuit, educational, electronic schematic, soldering, robots, robot kits, electronic hobby, electronics hobby, electronic hobby kits, electronics hobby kit etc. They all are tested as per international quality standards assuring optimum quality.
Source: EFY Network
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| 143. | Lots of electronic kits and projects for beginners
You all are heartily welcomed to our website named as – ElectronicsUSA.com. ElectronicsUSA.com offers a unique and growing line of digital clocks and timers amateur radio product, electronic kits, and cool gadgets. We design, manufacture and sell some of the most unique products on the planet.
Source: EFY Network
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| 144. | Beginners-based electronic kits and projects
Welcome to MyTutorialCafe.com – one-stop-shop from where you can grab wide gamut of electronic kits as well as electronic projects. Learn in a quick and easy way to program 8051 microcontroller using many practical examples we have provided for you. Despite its relative old age, 8051 is still the most commonly used microcontroller at present. Beside Intel, many other renowned companies manufacture this model -Atmel, Philips, Siemens, etc.
Source: EFY Network
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| 145. | Electronic Kit / Module For Engineering Students
When it comes to the most trustworthy collection of electronic kit as well as electronic module, then only this website is counted on the top rank. Here you can see the simple circuit diagram of electronic kit and electronic modules which all are specially prepared for the engineering students, technicians, hobbyists etc. And they all work faultless with the least consumption of electric power.
Source: EFY Network
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| 146. | Lots of electronic projects for beginners
Are you worried for making your final year electronic project? If your answer is yes, you are at right place. Now, you don't have worry for your final year projects because a gigantic range of electronic projects as well as electronic circuits can be easily browsed only at this website. Some of them are as follows: infrastructure projects , digital projects, final year projects etc. Reliability and durability are some of the salient features of all these electronic projects.
Source: EFY Network
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| 147. | Electronic Circuits and Projects For Beginners
You will be surprised to know that this is only website from where you can learn step-by-step sequence for the complete manufacturing of electronic circuits. By following some simple as well as detailed instructions, you can make your own electronic projects as well as electronic circuits. This site was in the first place made to publish my Delphi programs on Internet.
Source: EFY Network
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| 148. | Music Circuits For Engineering Students
Welcome to the home page of this website where you can learn the simple method for making your own music circuit. Some of them are as follows: digital volume control, band graphic equalizer etc. In addition to this, you can also browse lots of free electronic circuits which all are specially designed for the beginners, engineering students, hobbyists, technicians etc.
Source: EFY Network
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| 149. | Electronic & Science Kits Index For Engineering Students
Welcome to this website from where you can browse wide assortment of electronic as well science kits projects like electronics, robotics, speech recognition, geiger counters, nuclear physics, biology, ecospheres etc. And they all work faultless as per laid down norms assuring optimum quality. And now, you don't have to worry for your final year project.
Source: EFY Network
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| 150. | Audio Circuits For Engineering Students
You will be surprised to know that this website contains lots of free electronic audio circuits including audio related circuits like amplifiers, music circuits and other sound generating circuits etc. There are also links to sites that offer hobby electronic kits and other electronics hobby related stuff. In addition to this, you can also go to some other electronic projects.
Source: EFY Network
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| 151. | Electronic Kits and Projects
You will be amazed to know that here you can grab gigantic range of electronic kits as well as projects. From the initial step to the final construction, i.e. the entire process is given with complete detail. Now, you don't have to worry for your final year projects because these all electronic kits as well as projects are easily available at the most reasonable price.
Source: EFY Network
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| 152. | Electronic Kits - Beginner Skill Level
Welcome to the sophisticated arena of electronics. Here you can browse wide gamut of hobby kits as well as electronic instruments which all work faultless with the least consumption of electric power. You will be pleased to know that many of these pages contain free electronic kit circuit schematics and theory of operation descriptions.
Source: EFY Network
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| 153. | Electronic Kits For Engineers
Welcome to the exciting world of “Nicholas Academy” - one-stop-shop bringing all sorts of electronic kits as well as electronic circuits. Some of them are as follows: light kits, sound kits, motion and metal detectors, clap on/off kit, nerve tester and shocker and many more. When it comes to the most trustworthy range of electronic kits then only this website is ranked on the top.
Source: EFY Network
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| 154. | Electronics Kits For Engineering Students
If you are looking for electronic kits, PCBs, plans, spy,surveillance equipment, robot kits, solar panels, radio, transmitters,receivers, remote controls, stepper motors etc., or to buy/purchase these online or offline, then you are at right place. A gigantic range of electronic kits as well as electronic circuits can be easily browsed at this website and they all work faultless with the least consumption of electric power.
Source: EFY Network
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| 155. | Solar Kits For Beginners
Welcome to the exciting macrocosm of solar kits. As we know that solar energy is considered as the renewable source of energy so these solar kits play a vital role in our daily life activities. By following some simple steps, you can make your own solar kit project. Reliability and durability are some of the outstanding characteristics of all these projects.
Source: EFY Network
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| 156. | Electronic Kits For Engineering Student
You all are heartily welcomed to “Carl's Electronic Kits ” - one-stop-shop from where you can browse wide gamut of electronic kits. You will glad to know that all the electronic kits are easily available with detail as well as complete instructions. Some of them are as follows: udio kits, musical kits, amplifier kits, books, relay boards and remotes, FM transmitters, fiber optics, solar kits, game kits, tool sets, circuit software, electronics labs, light kits, measurement and test kits, motor controllers, peltier modules, power supplies, PIC programmers, radio kits, data links, remote control, surface mount trainers, security devices, telephone related kits
Source: EFY Network
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| 157. | Electronic Projects and Circuits For Learners
When it comes to the most authentic range of electronic projects, robotic projects, digital project etc., then this website is ranked on the top. From the initial step of preparation to the final working i.e. the entire process is discussed with complete details. You can only follow some common instruction for making your electronic project.
Source: EFY Network
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| 158. | Electronic project links for beginners
Welcome to this website which brings wide assortment of electronic projects including projects from andy collingwood, 555 timer projects, 80 projects from antoon, 100's of electronic links etc. And they all are tested as per laid down norms ensuring optimum quality. Now, you don't have to worry fro your final year projects because here only you can grab plenty of electronic projects.
Source: EFY Network
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| 159. | Lots of electronic projects and circuits for beginners
You will be pleased to know that a gigantic range of electronic circuits can be easily obtained only at this website. Some of them are as follows: alarm projects, amplifier projects, arduino projects, audio and video, AVR projects, battery charger, clock projects, data storage projects, display projects, DIY projects etc. By following simple instruction, you can make your own electronic project for your presentation.
Source: EFY Network
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| 160. | Final Year Electronic Projects For Engineering Students
Here you can browse wide gamut of electronic projects which all are specially designed for the engineers, hobbyists, technicians etc. We proudly announce the availability of the following new products : (1) USB enabled 8051 microcontroller development board and, (2) wireless USB development board. And they all are work impeccable with the least consumption of electric power.
Source: EFY Network
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| 161. | Electronic Kits and Projects For Beginners
Educypedia is an information resource about scientific and educational material: electronics, science, engineering, encyclopedia and information technology. All the links are tested as per international quality standards assuring optimum quality. Some of them are as follows: wire circuits, application notes, analog circuits, audio micro controller, audio amplifiers, battery chargers, computer, digital circuits, fluorescent lamp etc.
Source: EFY Network
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| 162. | Electronic Kits and Projects For Engineering Students
RSH Electronics is extremely proud to announce that it has teamed up The Electronics Club to provide you with these fantastic electronic project kits. If you haven't already, we highly recommend you visit The Electronics Club Website and spend some time looking around. You'll find a wonderful collection of pages explaining everything from basic component identification to how to solder and construct your first electronic circuit. Each kit contains all the components to construct the circuit including wire, stripboard and printed instruction sheet.
Source: EFY Network
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| 163. | Electronic Projects For You
This site has lots of system module designs for you. Each one has been carefully tested and worked perfectly as per laid down norms. For better understanding, each module comes with a PCB layout that is also tested and faultless works. PCB modules can be downloaded as gifs or as PCB Design & Make files (X-ray view). PCB Design & Make is available from TechSoft UK.
Source: EFY Network
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| 164. | Electronic Projects For learners
Welcome to this website bringing wide assortment of electronic projects. This website plays a vital role who wants to start electronics as a new hobby. Since starting this web site we have begun adding information pages which we hope will grow into a useful resource for people who are relatively new to the hobby and for those involved in electronics education.
Source: EFY Network
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| 165. | Multivibrator Circuits For Beginners
Are you whole heartily interested in making your own multivibrator circuits? Some of them are as follows: astable multivibrator 1, astable multivibrator 2, CMOS toggle flip flop with relay(CD4013), discrete bistable flip flop, discrete set / reset flip flop, fast rise time multivibrator, flip-flop flashers, buzzers etc. You will glad to know that new circuits and/or links are added regularly as a resource for beginners, hobbyists, engineers, inventors and consultants.
Source: EFY Network
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| 166. | MOSFET Projects For Engineering Students
Hobbyprojects.com is a one-stop-shop which brings all kinds of MOSFET based electronic circuits and projects like Low Cost MOSFET Quashes Power Resistor, MOSFET Beats Murphy's Law, MOSFET Circuit UPS Regulator's Output Current,MOSFET Current Sensing, MOSFET Power Amp: DIY high power MOSFET amplifier, MOSFET Power Amplifiers etc. By following some simple instructions, you can make your own MOSFET project.
Source: EFY Network
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| 167. | Electronic Circuits and Electronics Projects
Welcome to the home page of website named as “The Building Gadgets ” - bringing different types of electronic projects. The Building Gadgets Website intended as a resource for hobbyists building electronic projects, including those covered in the book Electronics Projects For Dummies. If you’ve already worked through a few projects from Electronics Projects For Dummies and caught the electronics bug you might want to try a few projects from other sources.
Source: EFY Network
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| 168. | Final Year Electronic Project For Engineering Student
Are you keenly worried for making your final year electronic project? If yes, you are at right place. This website consists wide gamut of electronic projects including solar-powered water pump controller, accurate capacitance meter, Wi-Fi sunlogger, build an SMT reflow oven controller, digital echo etc. Reliability and durability are some of the outstanding characteristics for all these electronic projects.
Source: EFY Network
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| 169. | Lots of Electronic Projects For Engineering Students
When it comes to the most trustworthy range of electronic projects then this website is ranked on the top. Some of the famous electronic projects are as follows: full-duplex doorphone with 3 wires connection, supreg 27mhz receiver, infrared circuits for remote control, low impedance microphone amplifier, audio-video switch, 220V live wire-in-wall scanner etc. They all are tested as per international quality standards ensuring optimum quality.
Source: EFY Network
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| 170. | Beginners-based Electronic AcousticProjects
Welcome to this website “Hobbyprojects.com” - one-stop-shop from where you can browse wide assortment of electronic based acoustic projects like MPS430based ultrasonic rangefinder, ultrasonic range finder EDN, ultrasonic remote control & alarm, ultrasonic transducer oscillator circuit, ultrasonic parking sonar, ultrasonic dog whistle, ultrasonic motion detector etc. New circuits and/or links are added regularly as a resource for beginners, hobbyists, engineers, inventors and consultants.
Source: EFY Network
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| 171. | Electronic Projects For Engineering Students
You all are heartily welcomed to our website named as “Project Guidance” - one-stop-shop for wide gamut of computer projects, electronics projects, computer based ideas etc. 'Project Guidance' is a user driven educational content website dedicated to finding and realizing final year projects for students, developer's and others in Electronics and Computer projects category . Here you can post, search, find your projects and get guidance from experts round the globe.
Source: EFY Network
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| 172. | Auto-Zero Operational Amplifiers (Op Amps) For Engineering Students
Microchip Technology Inc. has announced state-of-the-art technology based auto-zero operational amplifiers (op amps), which feature a self-correcting architecture that enables ultra high precision, with an input offset voltage of 2 micro Volts (µV) maximum. The new low-power devices feature a self-correcting architecture that results in fewer errors, especially at higher gains
Source: EFY Network
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| 173. | Auto-zero Amplifier for beginners
A wide variety of electronic applications deal with the conditioning of small input signals. These systems require signal paths with very low offset voltage and low offset voltage drift over time and temperature. With standard linear components, the only way to achieve this is to use system-level auto-calibration. However, adding auto calibration requires more complicated hardware and softare and can slow down time to market for new products.
Source: EFY Network
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| 174. | FET-based electronic circuits for engineering students
Welcome to this website Hobbyprojects.com – one-stop-shop for wide assortment of FET-based electronic circuit. Here you can see different types of FET-based electronic circuits like circuit improves on bias for GaAs FETs, circuit reduces negative voltage stresses on control IC, forward converters drive power MOSFETs At up to 500kHz, Improve FET based gain control, MOSFET current sensing etc. New circuits and/or links are added regularly as a resource for beginners, hobbyists, engineers, inventors and consultants.
Source: EFY Network
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| 175. | Electronics Kits For Beginners
Here is the simple circuit diagram of different types of electronic kits. By following some simple as well as easy instructions, you can make your own electronic kit. This website consists of different types of electronic kits which all are specially designed for the beginners, hobbyists, technicians, engineers etc .
Source: EFY Network
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| 176. | 555 Electronics Projects For Engineering Students
Welcome to sophisticated macrocosm of electronics. You will glad to know that a gigantic range of 555-based electronic projects can be easily grabbed only at this website. When it comes to the most authentic collection of 555-based electronic circuit then this website is counted on the top rank. On the basis of regular interval, new content as well as links are timely added and modified.
Source: EFY Network
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| 177. | LCD (Liquid Crystal Display) Circuits For Engineering Students
More than 1000 reliable electronic circuit diagram can be easily seen only at one website named as Hobbyprojects.com. Some of the famous LCD (Liquid Crystal Display) based electronic circuit diagrams are as: 2 Wire LCD Interface using PIC16CF84, GPS LCD display project, seven segment LCD uses two wire interface, two wire LCD Interface using PIC16CF84 etc. New circuits and/or links are added regularly as a resource for beginners, hobbyists, engineers, inventors and consultants.
Source: EFY Network
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| 178. | Analog Computer Kit For Engineering Students
This is a highly flexible and accurate analog computer, designed to fill requirement not presently met by any commercial computer. It is an instrument suitable for use as a design tool in ht industry as well as Universities. An advanced “slide rule” which permits engineering or research personal to electronically simulate equations or physical problems and save many hours of calculations.
Source: EFY Network
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| 179. | Electronic Circuits For Beginners
When it comes to the most authentic collection of electronic circuits then only this website is counted on the top. Different types of electronic circuits can be easily browsed under this single window. Reliability and durability are some of the outstanding characteristics for all these electronic circuits.
Source: EFY Network
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| 180. | Beginners-based Fun and Entertainment Circuits
You all are warmly welcomed to this website which brings wide assortment of fun as well as entertainment circuits. Are you worried for making a reliable fun and entertainment circuit? If yes, you are at right place. Some of them are as follows: high resistance voltmeter, a simple remote control tester, contactless mains voltage indicator, zener diode tester etc. There are also links to sites that offer hobby electronic kits and other electronics hobby related stuff.
Source: EFY Network
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| 181. | Fun and Entertainment Circuits For Engineering Students
Are you keenly looking for making your own fun and entertainment circuits? If your answer is yes, you are right place. Some of them are as follows: electronic scoring game, JAM(just a minute) circuit, flashy Christmas lights, TV remote control blocker etc. There are also links to sites that offer hobby electronic kits and other electronics hobby related stuff.
Source: EFY Network
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| 182. | Electronic Kits & Modules For Engineering Student
Carl's Electronic Kits – one-stop-shop for all kinds of electronic kits brings some renowned electronic kits like car alarm simulator, VEK3505 - car headlight warning kit, VEK2644 - frost indicator warning kit, VEK2599 - windshield wiper interval timer kit, VEK2543 - electronic transistor ignition kit, VEK3504 - car alarm kit, VEK3502 - parking radar kit etc. All our electronic kits come with detailed instructions, components, schematics and parts lists. Since 1996, we have sold many thousands of these kits to hobbyists, corporations, training organizations, schools and universities.
Source: EFY Network
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| 183. | Lots of electronic circuits for beginners
A gigantic range of electronic circuits can be easily grabbed at this website. Additionally, you can also see some electronics tutorials. This electronics tutorials and electronics projects site is totally free to you to use and is financed wholly by click revenue derived from our sponsors. By visiting them you demonstrate your very practical support for this valuable and free site.
Source: EFY Network
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| 184. | Electronic Projects For Engineers
The main objective of this website is to bring wide assortment of electronic projects. This site is dedicated to all electronics enthusiasts whether you are a student, a teacher, hobbyist or even an electronics engineer. Some of the famous electronic projects are as follows: amplifier projects, automotive projects, timer projects, motor control projects, telephone projects, MCU projects, thermostat projects, final year projects, power supplies, PCB, lighting projects,ham radio project etc.
Source: EFY Network
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| 185. | Electronic Circuits For Engineering Students
You will be surprised to know that more than 1000 electronic circuits can be easily browsed at this website. Hobbyprojects.com - one-stop-shop for wide assortment of various electronic circuits brings some famous electronic circuits like AC power controls, AC to AC converters, AC to AC power supplies, AC to DC converters, AC to DC power supplies, acceleration sensors / monitors, acoustic circuits etc. In addition to this, New circuits and/or links are added regularly as a resource for beginners, hobbyists, engineers, inventors and consultants.
Source: EFY Network
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| 186. | Fun and Entertainment Circuit For Electronic Engineers
Welcome to the most exciting world of Electronics Lab - one-stop-shop for wide range of fun and entertainment circuits. Some of them are as follows: the flashing heart, the millipede, 3V LED chaser, 6V ultra-bright LED chaser, high power LED mood Lamp, PIC16F84A discolight effect with bass beat control etc. This on line community is completely dedicated to technicians, engineers, hobbyists etc.
Source: EFY Network
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| 187. | Electronic Lock Project For Engineering Student
Here you can see the simple circuit diagram of electronic lock. For better and deep understanding you can easily download the PDF version of the file. By following some simple steps, you can make your own electronic lock. There are six (or more) push switches. To 'unlock' you must press all the correct ones at the same time, but not press any of the cancel switches.
Source: EFY Network
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| 188. | Fun and Quiz Circuit For Electronic Engineers
This website brings hundreds of electronic kits & hobby circuits, both analog and digital. To browse this category, you can select from one of the sub-categories which is shown below. By following some simple steps, you can make your own fun as well as quiz circuits. And they all work faultless with the least consumption of electric power.
Source: EFY Network
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| 189. | Electronic Projects For Engineers
Are you final year student of electronic engineering and looking for your authentic electronic project? You will be pleased to know that a gigantic range of all the electronic projects can be easily grabbed at this website at the most competitive price. Some of them are as follows: power grid control through PC, I.V.R.S. system for industrial control, RF control of induction motors and other industrial loads, ultrasonic distance measurement upto 6 mtrs, 8051 microcontroller based G.S.M. controlled switch with voice etc.
Source: EFY Network
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| 190. | Advanced Projects For Engineering Students
Here you can easily see advanced projects like DMX controller, dot matrix message display, frequency meter/counter, stage intercom, workshop power supply etc., for engineering students. But they all are not designed for beginners because all they consist complex circuits. Reliability and durability are some of the outstanding characteristics for these advanced projects.
Source: EFY Network
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| 191. | Amplifier Circuits For Engineering Students
More than 1000 links for different amplifiers circuits can be easily seen at only this website. Moreover, on the basics of regular interval, new circuits as well as new links are timely added for engineers, beginners, technicians, hobbyists etc. Some of the amplifier based circuits are as follows: low noise, microwave, operational, RF (Radio Frequency),trans impedance, variable gain, video etc.
Source: EFY Network
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| 192. | Beginners-based Electronic Project
Are you keenly looking for making your own electronic project? Now, you don't have to worry for your final year electronic project. Here you can see some renowned electronic projects like propeller clock, stirling prayer engine, servo pulse to PWM, servo pulse to dual H-Bridge, LED Sign, Casio QV-200 digital camera cable etc. They all are tested as per international quality standards ensuring optimum quality.
Source: EFY Network
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| 193. | Electronic Circuits For Beginners
More than 100 electronic circuit diagrams are easily available at this website. In addition to this, you can also see various links for various projects, sites as well as commercial kits. Most of the circuits can be built with common components available from radio shack or salvaged from scrap electronic equipment.
Source: EFY Network
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| 194. | Some more electronic kit for engineering students
Welcome to this website which brings all sorts of electronic kits. This website consists different types of electronic kits which all are specially designed for the beginners. These electronic kits are carefully designed for the beginners, engineers, technicians, hobbyists etc. Reliability and durability are some salient features of these electronic circuits.
Source: EFY Network
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| 195. | Electronic Kits For Beginners
When it comes to the most reliable range of electronic kits then only this website is ranked on top. You will be surprised to know that nearly all kinds of electronic kits can be easily browsed at this website. By following some simple instructions, you can make your own electronic kit. And they all are tested as per laid down norms assuring optimum quality.
Source: EFY Network
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| 196. | Electronic Kits For Engineering Students
Welcome to the Hi-Tech arena of Component Kits – one-stop-shop from where you can browse different types of electronics kits. Depending upon the given categories like capacitors, crystals, inductors, integrated circuits, refills, resistors, voltage regulators etc., you can choose your own electronic kit. They work impeccable with the least consumption of power.
Source: EFY Network
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| 197. | Final Year Electronic Projects For Engineering Students
Are you worried for your final year electronic project? Now, you don't have to worry for your project. Here we bring a website from where you can browse wide assortment of electronic circuits counting from analog circuits, digital circuits, power electronics, microcontroller, test measurement, data interface, custom projects, hobby projects etc.
Source: EFY Network
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| 198. | Electronic Circuits for R/C Modeling for engineers
A gigantic range of electronic circuits for R/C modeling can be easily grabbed at this website. When it comes the most authentic collection of R/C Modeling electronic circuits then this website is counted on the top rank. Here you can see some R/C modeling electronic circuits like CAMPAC clones, Servo-Checker JR / Futaba / Graupner, Servo-Checker JR / Futaba,2.7 V to 5 V Amplifier for Futaba-Receivers, 2-Channel Switch for Futaba Systems, 2-Channel Switch for Graupner Systems, Low-Power Accu Voltage Controller with a single LED etc.
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| 199. | Final Year Electronic Projects For Engineers
You will be pleased to know that nearly 26, 000 electronic circuits can be easily browsed at only one website named as DiscoverCircuits.com. Some of them are as follows: universal-3v-LED-Flasher, fully isolated 50/60Hz sync generator, DVD Recorder + TV Camera make cheap data logger, wireless RFID smart key detector, classic plus and minus DC power supply, video signal edge enhancements etc. This website is a vital source for hobbyists, engineers, technicians, inventors etc.
Source: EFY Network
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| 200. | Electronic circuit simulation in engineering for engineers
The objectives and methodology of implementing Computer Aided Electronic Circuit Simulation (CAECS) in an engineering school are described and discussed. Experience gained suggests that a systematic incorporation of CAECS in the electronic engineering curriculum improves the efficiency and quality of the education process and helps to promote design skills of the students.
Source: EFY Network
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| 201. | Electronic Circuits For Engineering Student
From the initial step of preparation to the final working i.e. the entire manufacturing process can be easily seen with complete details. And now, you don't have to worry for your final year electronic project because different types of electronic projects like robotics projects, digital projects etc., are easily available only at this website.
Source: EFY Network
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| 202. | Wireless Telephone Circuits For Engineering Student
You are heartily welcomed to this website named as DiscoverCircuits.com – one-stop-shop bringing wide gamut of wireless telephone circuits. In addition to this, DiscoverCircuits.com also brings more than 26, 000 different electronic circuits for beginners, student, hobbyists, technicians etc. Reliability and durability are some of the salient features of these electronic circuits.
Source: EFY Network
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| 203. | LED & Light Circuits For Engineering Student
Are you keenly looking for LED & Light Circuits Digram for your final year project? If yes, you are at right place. This website brings you free circuit diagram for lots of LED-based electronic circuits. Some of them are as follows: automatic dual output display, emergency light, automatic room lights, running message display, Christmas star, audio light modulator etc. This website also covers wide range of categories in the field of electronics.
Source: EFY Network
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| 204. | Quasar Electronics Kit For Electronic Engineer
This fantastic effect from Quasar Electronics Kit will make your car look like the fantastic computerised car in the Knight Rider TV series, the famous KITT.It is a light display which imitates the light dot in KITT’s hood, which is supposed to be the scanner of the on board computer. The speed of the effect is variable to suit your particular tastes and to make it look more realistic.
Source: EFY Network
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| 205. | Electronic Projects for engineers
Welcome to this website from where you can browse wide assortment of electronic projects as well as electronic circuit. Some of them are listed below: propeller clock, stirling prayer engine, H-Bridge, servo pulse to PWM, servo pulse to dual H-Bridge etc. We never compromise with the quality of our products.
Source: EFY Network
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| 206. | Final year electronic projects for engineering students
Are you keenly looking for your final year electronic project? If your answer is yes, you are at right place. A list of suitable topics can be easily seen at this website. A gigantic range of electronic project can be easily grabbed at this website. And they all are tested as per laid down norms assuring optimum quality.
Source: EFY Network
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| 207. | Timer Projects for electronic engineers
Timer circuit has been used in many projects and there are basically 2 types that are used these days. One of them is the use of analog RC circuit where charging of the capacitor circuit determined the T(time) of the circuitry. This type of circuitry has larger tolerance and is used in applications where the T is not so critical as the T is affected by the tolerance of the RC components used. The other is the use of crystal or ceramic resonators together with microprocessor, microcontroller or application specific integrated circuit that need higher precision T in the tolerance of up to 5 ppm (parts per million).
Source: EFY Network
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| 208. | Electronics Hobbies Projects for engineering student
Getting good and timely information on the electronics project that you are embarking on sometimes can be time consuming and frustrating. Hence, the objective of this site is to bridge this gap. This site is dedicated to all electronics enthusiasts whether you are a student, a teacher, hobbyist or even an electronics engineer.
Source: EFY Network
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| 209. | Electronic Projects For Engineering Student
When it comes to the most trustworthy range of electronic projects then this website is counted on the top rank. Here you can not only browse microcontroller-based electronic projects but electronic-kits too. Electronics Plus is dedicated to the electronic hobbyist. There is a learning section at this site to help those people interested in increasing their knowledge of electronics.
Source: EFY Network
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| 210. | Electronic Kits for engineer
If you are looking for electronic kits, PCBs, plans, spy,surveillance equipment, robot kits, solar panels, radio, transmitters,receivers, remote controls, stepper motors etc., then you are at right place. Some of them are as follows: electronic kits, electronic hobby kits, electronic project kits, heathkit electronic kits, electronic kits to build, electronic tool kits, audio electronic kits, electronic ignition conversion kits, electronic kits free, electronic kits plans etc.
Source: EFY Network
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| 211. | Test & Measurement Circuits for engineering student
A gigantic range of test & measurement circuits can be easily browsed at only this website. Here you can see some of the famous test & measurement circuit like high resistance voltmeter, a simple remote control tester, contactless mains voltage indicator, zener diode tester etc. By following some of the easy and simple instructions, you can make your own test & measurement circuit.
Source: EFY Network
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| 212. | Power Supply Circuit Diagram for engineering student
Here you can grab lots of free power supply electronic circuit counting from negative supply from single positive supply, self switching power supply,ultra low drop linear voltage regulator,over / under voltage cut-out etc. A gigantic range of power supply circuit diagram is easily available at this website for hobbyists, engineers, student, professionals etc. There are also links to sites that offer hobby electronic kits and other electronics hobby related stuff.
Source: EFY Network
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| 213. | Electronic Projects for engineering student
Welcome to the booming world of electronics. Here you can browse wide assortment of electronic projects including front panel serial ports, hafler matrix Hi-Fi System, Wisp628 PIC programmer etc. All the electronic circuits are well-tested as per laid down norms assuring optimum quality. Reliability and durability are some salient features of these electrical circuits.
Source: EFY Network
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| 214. | 555-timer based electronic circuits for engineers
When it comes to the most reliable 555-timer based electronic circuit then this website is counted on the top rank. Some common 555-timer based electronic circuits are as follows: 555 IC timer circuit, digital timer circuit, electronic timer circuit, interval timer circuit, timer for circuit training, timer circuit diagram, simple timer circuit etc.
Source: EFY Network
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| 215. | Beginners-based LM555 and LM556 timer circuits
This page presents general information and some tips when using the LM555 timer. If you would like to use any of these ideas please take the time to do some experimenting before using them in an actual circuit. All of the solutions on this page can be applied to the LM556 Dual timer chip as well. Some of these circuits were developed just to see if the concept would work and have no intended purpose. The menu below will take you to various sections of this page that relate to the items in the index. New additions appear at the bottom of the list.
Source: EFY Network
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| 216. | 555-Timer Based Electronic Circuits for beginners
We know the vital role of 555-timer in the field of electronic. The 8-pin 555 timer must be one of the most useful ICs ever made and it is used in many projects. With just a few external components it can be used to build many circuits, not all of them involve timing. By following some simple steps, you can make your own 555-timer electronic circuits.
Source: EFY Network
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| 217. | 555-Timer Based Electronic Circuits for engineering student
These electronic schematics (circuit diagrams) and kits use the 555 IC timer as part of their operation. Studying how they function in these circuits may help you gain an understanding of 555 timer functionality. A gigantic collection of 555-timer based electronic circuits are also easily available at this website.
Source: EFY Network
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| 218. | Sensor Based on Piezoelectric Resonance
Here is the simple presentation of sensor-based piezoelectric resonance. We discuss here about the realization of tactile sensor based on the principle of change in piezoelectric resonance frequency with the applied pressure. An array of electrodes has been adopted on either side of the PZT material to have independent resonators. The common areas sandwiched between the electrodes and excitable at resonance frequency of the PZT material are used to form the sensitive area of the tactile sensor.
Source: EFY Network
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| 219. | Sensor based on biological models of attention for beginners
This paper presents implementation of a low-power tracking CMOS image sensor based on biological models of attention. The presented imager allows tracking of up to N salient targets in the field of view. Employing "smart" image sensor architecture, where all image processing is implemented on the sensor focal plane, the proposed imager allows reduction of the amount of data transmitted from the sensor array to external processing units and thus provides real time operation.
Source: EFY Network
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| 220. | Some more electronic circuits for engineering student
Welcome to this website from where you can grab almost every type of electronic circuit under single window. You can be either professional, hobbyists, beginners etc., by following some easy as well as simple instructions, you can make your own electronic project. You can also see some of the famous projects like air flow detector 1, air flow detector 2, dew sensor, digital compass, digital compass 2, home brew compass , mains operated capacitive sensor, ultrasonic range finder, flame sensor, pellistors, pressure gauge responds linearly to altitude, vibration sensor etc. Reliability and durability are some of the outstanding features of these circuits.
Source: EFY Network
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| 221. | Some more digital circuits for engineering student
Educypedia is a one-stop-shop from where you can grab wide gamut of digital circuits. Educypedia is an information resource about scientific and educational material: electronics, science, engineering, encyclopedia and information technology. Some of them are as follows: 4511 BCD to 7-segment decoder, 555 A/D converter, 555 application note, 555 circuit, 555 circuits etc. All the links are tested with respect to content Educypedia is the most complete encyclopedia in the world with access to the very best web resources for education.
Source: EFY Network
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| 222. | Some more electronic projects for beginners
A gigantic range of electronic circuits can be easily grabbed at single window named at here. And some of them are as folows: PIC16F84A discolight effect with bass beat control electronics project, a low-frequency crystal controlled oscillator electronics project etc. This site contains lots of free electronic circuits (schematics) & do-it-yourself (DIY) circuit diagrams for hobbyists, students, professionals etc.
Source: EFY Network
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| 223. | Beginners-based GaN integrated circuits (ICs)
Here you can see the state-of-the-art technology based GaN integrated circuits (ICs) which work impeccable with the least consumption of electric power. GaN integrated circuits (ICs) is a semiconductor component expected to make possible miniaturized, high power wireless transmitters. The new GaN ICs would contribute to the future long distance and broadband communication using millimetre-wave frequencies.
Source: EFY Network
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| 224. | Beginners-based high power AlGaN/GaN HEMT feedback amplifier module
Here you can see the simple circuit diagram of feed back amplifier. A high power wideband feedback amplifier module using AlGaN/GaN high electron mobility transistor (HEMT) has been developed that covers the frequency range of DC to 5 GHz with small signal gain of 9 dB. Shunt feedback topology is employed by adding inductive components to increase the bandwidth. At midband frequency, power added efficiency (PAE) of 20 % and saturation power level of 29.5 dBm were obtained at a drain voltage of 12 V (Vds) and a gate voltage of -3 V (Vgs).
Source: EFY Network
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| 225. | Science Fair Projects for beginners
Are you looking for the most exciting science fair project? If yes, you are at right place. Welcome to this website which brings lots of educational as well as science fair projects for beginners, technicians, hobbyists etc. Some of them are as follows: your guide to science fair projects, hundreds of science fair projects a-z, interdisciplinary science fair project topics, science fair projects by branches of science etc. Any one of you can make their own science fair project by applying some simple techniques.
Source: EFY Network
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| 226. | Electronics Games Circuits for engineering students
Welcome to this website bringing wide gamut of electronic games which all are specially designed for the technicians, hobbyists, engineers etc. You can easily browse some of the renowned electronic games like TV remote control blocker / jammer (2 transistors, 3 IR LEDs), quick draw, scoring game, JAM (Just A Minute) circuit, magic wand conjuring trick etc. By following some easier steps, you can make your own electronic game circuit.
Source: EFY Network
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| 227. | Power Supply Circuits for beginners
Are you keenly looking for the construction of different types of power supply circuits? If yes, you are at right place. Here you can easily see some of the common power supply circuits ranging from regulated power supply (LM78XX voltage regulators), regulated power supply (LM317 Variable Regulator), regulated power supply, over / under voltage cut-out power supply,high and low voltage cutout with delay and music power supply,high voltage, low current supply,12 Volt 30 amp power supply etc. They all are considered as the matchless example of modern engineering because they all work faultless with the least consumption of power.
Source: EFY Network
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| 228. | Beginners-based Tone Decoder Circuit
Here is the simple circuit diagram as well as detail explanation of tone decoder circuit. In order to obtain a 5% reduction in time, the robot is capable of detecting a 3.5kHz tone to begin its trials. The project designers hope that such bonuses may help the robot to be more competitive during competition. The tone decoder circuit is presented below.
Source: EFY Network
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| 229. | PIC Based Speed Controller for engineers
Real world applications often call for controlling small to medium sized DC motors from digital circuits. For smaller motors it is usually economically infeasible to buy a commercial speed controller as the cost of the controller will far outstrip the cost of the motor itself. The PIC's high speed, low cost, and low power requirements lend it to being an inexpensive "smart chip" controller for DC motors.
Source: EFY Network
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| 230. | Electronic kits & modules for engineers
Carl's Electronic Kits has the largest selection of electronic kits, electronic circuits, electronic projects, and assembled modules on the web. All electronic kits are easily available with detailed instructions, components, schematics and parts lists. Our huge selection includes: audio kits, musical kits, amplifier kits, books, relay boards and remotes, FM transmitters, fiber optics, solar kits, game kits, tool sets, circuit software, electronics labs, light kits, measurement and test kits, motor controllers, peltier modules, power supplies, PIC programmers, radio kits, data links, remote control, surface mount trainers, security devices, telephone related kits, timers, and much more.
Source: EFY Network
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| 231. | 555 and 556 Timer Circuits for beginners
This website consists of the functioning of 555 and 556 Timer Circuits. The 8-pin 555 timer must be one of the most useful ICs ever made and it is used in many projects. With just a few external components it can be used to build many circuits, not all of them involve timing.
Source: EFY Network
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| 232. | Digital Circuits for Engineering Students
This is a new approach for teaching and demonstrating the principles o designing the stable digital circuit by using mini-projects. A mini-project in this context is a rather simple digital circuit which is utilized as a vehicle to transfer methods and knowledge methods. Each mini-project has a practical application which can be understood easily and is implemented as an experiment on a special educational circuit board.
Source: EFY Network
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| 233. | Educational Projects for beginners
Educypedia is an information resource about scientific and educational material: electronics, science, engineering, encyclopedia and information technology. All the links are tested with respect to content, no commercial links. Educypedia is the most complete Encyclopedia in the world with access to the very best Web Resources for Education. The best free resources on the web.
Source: EFY Network
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| 234. | Motion detector control board for beginners
You are most heartily welcomed to this website which brings motion detector control board. For the further development in motion industry, motion detector control board plays a vital role. In addition to this, motion detector control board is also widely used in security system as well as home security.
Source: EFY Network
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| 235. | Computer-based projects for beginners
Are you keenly interested in making your own computer-based project? Some of the renowned computer projects are: computer interface boards, computer controlled motor drivers, computer controlled relay boards, data logging & acquisition systems, PC oscilloscopes etc. You will be amazed to know that they all can be easily purchased at the most competitive price.
Source: EFY Network
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| 236. | Beginners-based Electronic Projects
Welcome to our home Electronics Lab – one-stop-shop from where you can browse different types of electronic circuits. Here you can find useful circuits with full description, diagrams and PCB, electronics articles, links and downloads. This online community is dedicated to you. Created in order to provide a place where you can post your questions, ideas and comments around electronics.
Source: EFY Network
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| 237. | Some more electronic projects for beginners
Welcome to this website from where you can browse all sorts of electronic projects like chace tracker, charger, charging temperature, damage rich demartile, diversion1 efficiency, EWB, IO, LED solar trackers, MPPT etc. By following some simple instructions, you can make your own electronic project. And they all are available at the most pocket friendly price.
Source: EFY Network
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| 238. | Some more electronic circuit
DiscoverCircuits.com, has 26,000+ electronic circuits or schematics carefully cross-referenced into 500+ categories. As a vital resource for engineers, hobbyists, inventors & consultants, the site's collection of information will help you find quick solutions to electronic design problems. You can find every kind of electronic circuit at this website.
Source: EFY Network
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| 239. | Beginners-oriented electronic circuits
Welcome to the Hi-Tech macrocosm of electronic circuit bringing various types of electronic circuits like alarms/indicators, audio, car & motorcycles, computers, design ideas, fun circuits, generator etc. Here you can browse all kinds of electronic circuit which is specially designed for the hobbyist, engineers, technicians etc. And they all are prepared as per laid down norms assuring optimum quality.
Source: EFY Network
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| 240. | Beginners-based games & fun circuits
You all are most heartily welcomed to ePanorama.net – customer-oriented business house bringing wide assortment of fun as well as games circuits. You can see various links including amateur science, audio, automation, barcode technology, basics, basic components, books, business,cabling, career, circuits sites, CPUs companies, component dealers, component information, component manufacturers,computers etc.
Source: EFY Network
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| 241. | Games & Fun Circuit for beginners
Hobbyprojects.com is a collection of links to 1000's of electronic circuits, schematics, online tutorials to find quick solution for electronic design problems. New circuits and/or links are added regularly as a resource for beginners, hobbyists, engineers, inventors and consultants. Some of them are as follows: 32 Kb x 8 emulator for the GameBoy, april fools LEDs, archery timer, battery meter for pinball machines, burger time arcade game (500k ZIP), dig dug arcade game (800k ZIP) etc.
Source: EFY Network
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| 242. | Fun Electronic Kits for beginners
Welcome to the Hi-Tech world of Nicholas Academy – one-stop-shop from where you can browse all kinds of fun electronic kits. You can visit HobbyTron.com to browse other merchandise, including Lego products, robots, and a huge variety of science kits (nature, physiology/anatomy,chemistry, electricity, earth science, physics, biology) for adults and kids.
Source: EFY Network
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| 243. | Lots of electronic circuits for beginners
You will be amazed to see that a gigantic range of electronic circuits can be easily obtained at here. And they all work impeccable with the least consumption of electric power. If you are worried for your final year project then you will be surprised to see different types of electronic projects under single window.
Source: EFY Network
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| 244. | Basic Fun Circuits for beginners
Welcome to the sophisticated domain of electronic circuits from where all sorts of basic fun circuits are easily available at here. Here you can browse analog as well as digital circuit projects. In addition to this, you can also find several links for various electronic projects. Some common examples of analog circuits are as follows: basic clock timer,a voltage controlled oscillator, an electronic organ etc. Furthermore, some common example of digital circuits are as follows: basic AND gate, two of four detector, majority detector etc.
Source: EFY Network
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| 245. | Beginners-based electronic circuits
More than 26, 000 electronic circuits can be easily seen at one-stop-shop named as DiscoverCircuits.com. You will be surprised to know that nearly 500 category is easily available at this website. This website has lots of collections for engineers, hobbyists, inventors & consultants. Reliability and durability are some of the outstanding features of all these electronic circuits.
Source: EFY Network
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| 246. | Home/Garden related circuits for beginners
Are you looking for one of the safe as well as automatic home/garden related circuits? If your answer is yes, you are at right place. For enhancing the beauty of any interior as well as exterior decor, these home/garden related circuits are widely used. Some of famous home/garden related circuits are as follows: ultrasonic pest repeller, programmable digital code lock,pot plant water tester etc.
Source: EFY Network
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| 247. | Beginners-based Fibre Optics Projects
This website brings different types of fibre optics based electronic circuit. By following some easy steps as well as instructions, you can prepare your own fibre-optic based projects. And they all are tested as per laid down norms assuring optimum quality. You will be surprised to know that they all are also available at the most rock bottom price.
Source: EFY Network
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| 248. | Audio by Fibre Optic Cable for beginners
This kit allows you to send sound through 1mm plastic fibre optic cable. On the transmitter circuit board there is a microphone and a circuit to module the light emitted from an LED. The LED is contained in an plastic case that alloy an easy connection of the FO cable. On the receiver board, there is a photoptic receiver, an amplifier and a speaker.
Source: EFY Network
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| 249. | Electronic Kits and Electronic Projects for beginners
A gigantic range of electronic projects as well as electronic kit be easily obtained at this website. You can see an exclusive range of electronic project as well as electronic kit at this website. When it comes to the most reliable range of electronic projects as well as electronic kits then we are counted on the top rank. And they all are available at the most competitive price.
Source: EFY Network
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| 250. | Remote Sensing (Fibre Optic Cable) for beginners
This circuit is remotely controlled using a fibre optic link. When light shines on the sensor, a motor will turn or alternatively a solenoid is activated. An operational amplifier (3140) is used in a comparator mode. This section of the circuit will be used to detect variation of input voltages.
Source: EFY Network
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| 251. | Beginners-based fibre optics
This project uses the "Flip Flop" circuit to create a flashing fibre optic sign. The display section of this project is built on a separate PC board contained in the 5 projects kit. It has a matrix of very fine holes, 7 holes by 10 holes to take plastic optical fibre, also contained in the kit. It all depends if you want a single flashing effect or a dual flashing effect.
Source: EFY Network
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| 252. | Optical Fibre Kit for beginners
The Benchmark Optical Fibre Training Kit (OFT) - is a powerful, versatile and cost-effective experimenter kit ideal for training purposes at all levels and was developed in a joint effort by IIT-Madras and Benchmark Electronic Systems. The first trainer kit was built in 1988. Over the years, as per feedback from faculty all over the country, new versions were developed and built. Currently, the OFT is in its fourth version.
Source: EFY Network
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| 253. | Fibre Optic Audio Link for beginners
This Kit allows you to send sound through 1mm plastic fibre optic (FO) cable. On the transmitter (Tx) circuit board (marked KIT 3026T) there is a microphone and a circuit to modulate the light emitted from an LED. The LED is contained in a plastic case which allows easy connection of the FO cable. On the receiver (Rx) board (marked KIT3026R) there is the photo-darlington receiver unit, a speaker and a circuit to convert and amplify the detected signal back into a sound wave.
Source: EFY Network
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| 254. | Electronic circuit breaker IC for hot-swap
This application note describes the design and performance characteristics of the UCC3912 Electronic Circuit Breaker. The practical aspects of applying the circuit breaker are discussed as well as its performance compared to existing technologies. The UCC3912 integrates a power MOSFET with all of the necessary control and housekeeping functions including current limiting, short circuit protection, and auto recovery capabilities. The performance of the circuit breaker is compared to PolySwitches® and conventional fuses in both hot swap and short circuit applications.
Source: EFY Network
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| 255. | Electronic Projects
You are welcomed to this web page bringing state-of-the-art technology based electric projects which all are specially designed for the beginners. The link under the paragraphs in each section will take you to the document from which the text is taken. These documents will provide more detailed explanations and schematics for the circuits. Some of the electronic circuits are as follows: unipolar stepper motor driver (74194) 2008, bipolar stepper motor driver (74194), LM555 timers - circuits and calculators, voltage comparator circuits (LM339 / LM393), fast acting electronic circuit breakers, using "AT" computer power supplies etc.
Source: EFY Network
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| 256. | Beginners-based electronic circuits and kits for beginners
The purpose of this site is to help students, parents and teachers with their science fair assignments. We offer topics, ideas, experiments, resources and sample projects by academic level: primary school, elementary school, middle school and high school. Many of students, professionals, hobbyists etc., have been already benefited from this website because a gigantic range of electronic circuits can be easily browsed at this website.
Source: EFY Network
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| 257. | Beginners-oriented electronic circuits
You all are heartily welcomed to Imagineeringezine.com – quality oriented business house bringing wide gamut of electronic projects. This website consists of more than 800 pages which include electric circuits like the hobby corner, capacitance proximity switch technology,commercial capacitance proximity switch (faraday switches), the experimenter's journal, science fair project ideas etc.
Source: EFY Network
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| 258. | Working of electronic circuits for beginners
Welcome to the most booming world of Expert Village – one-stop-shop from where you can browse wide assortment of electronic circuits. You can see the live construction as well as the working of all sorts of electronic circuits. And these all video program play a vital role in understanding the whole concept of electronics.
Source: EFY Network
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| 259. | Electronic Circuits
These notes give a short introduction to analog circuits. If you like to learn more about electronics (a good idea if you are thinking of becoming an experimental physicist), you can take a class offered in the summer (PHY-557). An excellent general reference is “The Art of Electronics” by Horowitz and Hill (Cambridge press).
Source: EFY Network
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| 260. | Beginners-based electronic circuits
This site contains lots of free electronic circuits (schematics) & do-it-yourself (DIY) circuit diagrams for hobbyists, students, professionals etc., covering a wide range of categories in electronics like audio, music, home/garden related, computer hardware, radio, robotics etc to name a few. There are also links to sites that offer hobby electronic kits and other electronics hobby related stuff. Use the menu on the left to browse different circuit categories.
Source: EFY Network
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| 261. | Electronic kits
We are one of the leading electronic kits manufacturers. We manufacture all sorts of electronic products ranging from musical firefly educational kit, photo sensor and control relay kit, pocket transistor radio kit, solar educational kit model 689, solar educational kit model 828, sound reversing car kit, turning frog kit, voice changer educational kit etc. They all are tested as per international quality standards assuring optimum quality.
Source: EFY Network
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| 262. | Electronic-kits for beginners
We have hundreds of electronic kits and plans that are fun, educational, and hobby practical. All kits come with detailed instructions, components, schematics and parts lists. You can prepare the given below electronic projects without taking any help from some one. You will be surprised to know that they all are available at the most competitive price.
Source: EFY Network
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| 263. | Fiber-Optics projects for beginners
IDIL Fibres Optiques has developed a full range of products dedicated to the experimental courses of basics of Telecommunications and fiber optics. Some of them are as follows: Fibers optics telecommunication kit,Fibers optics reflectometry kit, Fibers optics interferometry & doppler kit, Erbium doped fiber amplifier and laser kit etc. Many experiments are possible, including the characterization of fiber optic components, laser sources, detectors, erbium doped fiber amplifier, fibre laser dynamics, wavelength multiplexing, chromatic dispersion or reflectometry.
Source: EFY Network
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| 264. | Electronic construction kit for beginners
You all are heartily welcomed to our home - DOCTRONICS. DOCTRONICS electronics construction kits are carefully designed for use in schools. Each kit is supplied with detailed instructions and an outline explanation of how the circuit works, together with a professionally produced printed circuit board and all the electronic components needed. Most projects are supported by development/practical work in Design Electronics, the free access on-line electronics textbook.
Source: EFY Network
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| 265. | Beginners-oriented electronic circuits
If you are looking for electronic kits, PCBs, plans, spy, surveillance equipment, robot kits, solar panels, radio, transmitters,receivers, remote controls, stepper motors etc.,or to buy/purchase these online or offline, then look no further, you have come to the right place. Click the link below to proceed further:
Source: EFY Network
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| 266. | Electronic kits & modules for beginners
This website brings you different types of electronic kits as well as modules for beginners. All our electronic kits come with detailed instructions, components, schematics and parts lists. Our huge selection includes: audio kits, musical kits, amplifier kits, books, relay boards and remotes, FM transmitters, fiber optics, solar kits, game kits, tool sets, circuit software, electronics labs, light kits, measurement and test kits, motor controllers, peltier modules, power supplies, PIC programmers, radio kits, data links, remote control, surface mount trainers, security devices, telephone related kits, timers, and much more.
Source: EFY Network
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| 267. | Educational and fun electronic kits
The discovery of a great electronics project idea, its research, and implementation into kit form has always been the standard of excellence at Elenco. Electronics can be a lot of fun if it is presented in an interesting way. A wide variety of educational kits are available, ranging from the elaborate Micro-Master Computer Theory Kit to the ever-popular Power Supply Kit. These projects are great for classroom and home learning.
Source: EFY Network
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| 268. | Beginners-based electronic circuits
A gigantic range of electronic circuits can be easily obtained at here. Some of the noted electronic circuits are given as: audio / musical kits, automobile accessories, PC computer-related kits games etc. And they all are tested as per laid down norms assuring the optimum quality. Reliability and durability are some of the salient features of these electronic circuits.
Source: EFY Network
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| 269. | Electronic kit for beginners
Here you can see the working of 50 electronic circuits in 1 playground kit. The 50 in 1 Electronic Playground Kit is a great introduction to the world of electronics. This educational electronic kit teaches the operation of over 50 electronic circuits. Step-by-step experiments are specifically designed for beginners, and require no tools or soldering. The User Manual guides you through the projects clearly and quickly with detailed illustrations. Easy-to-build circuits are made by connecting wires to the spring connectors.
Source: EFY Network
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| 270. | Electronic projects for learners
Welcome to the Hi-Tech arena of EdlieElectronics - one-stop-shop from where you can browse wide assortmrnt of electronic circuits like AM-FM transistor radio kit, SP720 voice changer, SP713 4 train sound effects, SP710 two stage FM transmitter etc. Each Kit comes with components, a circuit board and complete assembly instructions.
Source: EFY Network
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| 271. | Electronic projects
Learn electronics while having fun building these science kits. These kits contain resistors, capacitors, transistors, integrated circuits, coils and other electronic components. They will be assembled on state-of- the-art printed circuit boards. The builder will be amazed and proud of the results. Each kit contains easy-to-follow assembly instructions and a lesson manual that teaches theory on how the kit works.
Source: EFY Network
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| 272. | Want to know more about Electronic circuit
You all are heartily welcomed to our home - Carl's Electronics from where you can browse educational as well as fun projects. Our mission is to offer quality products at reasonable prices, and deliver them in a timely manner. Our many thousands of satisfied customers include hobbyists, schools, universities, government, and both small and Fortune 500 companies. Some of them are as follows: audio and stereo, automotive & related plans,broadcast radio related plans, cable, satellite, and television related plans, CB radio related plans,gag and joke plans etc.
Source: EFY Network
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| 273. | Function of Blackfin Processor for beginners
The intention of this note is to explain the usage of the text overlay function provided for Blackfin® Processors. This note includes the code of the function and explains how to place it in a Blackfin Processor code environment. It also shows how to handle the text image.
Source: EFY Network
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| 274. | How blackfin processor works?
Analog Devices has expanded its Blackfin processor family to include a new class of embedded processor, the ADSP-BF561, which integrates two identical Blackfin cores.Analog Devices has expanded its Blackfin processor family to include a new class of embedded processor, the ADSP-BF561, which integrates two identical Blackfin cores.
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| 275. | Want to know more about Blackfin Processor
The ADSP-BF537 EZ-KIT Lite® provides developers with a cost-effective method for evaluation of the ADSP-BF537 Blackfin® Processor and its rich set of system peripherals, including the IEEE 802.3 10/100 Ethernet MAC and CAN 2.0B controller. A TCP/IP stack with integrated device driver and example code is provided in VisualDSP++® release 4.0.This evaluation kit was designed with an emphasis on modularity and expandability.With this EZ-KIT Lite, users can learn more about Analog Devices ADSP-BF537 hardware and software development and quickly prototype applications.
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| 276. | Beginners-based Blackfin Processor
The ADSP-BF537 Blackfin Processor Hardware Reference provides architectural information about the ADSP-BF534, ADSP-BF536, and ADSP-BF537 processors. The architectural descriptions cover functional blocks, buses, and ports, including all features and processes that they support. For programming information, see the ADSP-BF53x/BF56x Blackfin Processor Programming Reference. For timing, electrical, and package specifications, see the ADSP-BF534 Embedded Processor Data Sheet or the ADSP-BF536/ADSP-BF537 Embedded Processor Data Sheet.
Source: EFY Network
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| 277. | Blackfin Processor for beginners
With communication standards evolving towards higher data rates and variety of new services and applications, development engineers are seeking innovative hardware platforms that can support these complex tasks. The EDGE wireless standard which further extends the GSM/GPRS capabilities towards higher data rates is excellent example of evolving wireless standards that requires innovative hardware platforms.
Source: EFY Network
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| 278. | Blackfin for beginners
Are you familiar with the term Blackfin? Blackfin refers to a family of 16/32-bit microprocessors with built-in Digital Signal Processor (DSP) functionality, which is traditionally only accompanied by a small and power-efficient microcontroller. The result is a low-power, unified processor architecture that can run operating systems while simultaneously handling complex numeric tasks such as real time H.264 video encoding.
Source: EFY Network
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| 279. | Power supply for beginners
Electrokits brings all sorts of power supply circuits which work impeccable with the least consumption of power. Almost every single item on this website will require power to function. The power supply units in this section provide a variety of options for powering your kits & circuits. Please be sure to select a PSU (Power Supply Unit) with the correct ratings for your application.
Source: EFY Network
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| 280. | Electronic kit for beginners
Are you beginner and interested in making your own electronic projects? If your answer is yes, you are at right place. Here you can see different types of beginner-based electronic projects which all are specially designed for the engineering student, technicians and hobbyists.
Source: EFY Network
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| 281. | Electronic Projects for Beginners
Are you worried for your final year project? If yes, you are right place. Here you can browse wide assortment of electronic projects which all are carefully designed for hobbyists, engineering student, professionals, technician etc. Some of the famous electronic projects are given below: Desktop Power Supply, 3Mobile Shield, 4Infrared Firecracker Igniter, 5Automatic Phase Changer, 6Flying Saucer,7Anti-Collision Rear Light, 8Light Fence,9MAT Switch etc.
Source: EFY Network
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| 282. | Beginner-based electronic projects
Welcome to the Hi-Tech world of Vidyasagar's – one-stop-shop from where you can browse wide gamut of electronic projects. They all are tested as per laid down norms ensuring optimum quality. Some of them are as follows: house security system, IC controlled emergency light with charger, infrared bug,infrared cordless headphone, infrared electronic shooting game, infrared remote control timer, infrared toy car motor controller, intelligent switch,intruder radio alert system,invisible broken wire detector, IR burglar deterrent etc.
Source: EFY Network
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| 283. | Electronic projects for beginners
Pearlpojects is a team of Model makers, who have many years of experience in many aspects of the business of Model making and associated work. We have experience of many different types of Model making, from the most complicated and intricate, to the straightforward. We make models for a wide variety of uses, for example; Industrial and Planning Meetings, Exhibitions, Museums, and Educational Establishments. Some of them are as follows: prototype models,exhibition models,demonstration models,defense models,cut sectional models,machine models,plant models etc.
Source: EFY Network
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| 284. | Light chaser circuits for beginners
Light chaser circuits can be used to create lighting animation sequences and have been used in the past to attract attention for advertising and promotion, such as the marquee at the local movie theater. In addition, they can be used to produce pleasing effects for entertainment as well. This article is about how they work and how you can make use of them. Once a high priced item, the technology has now gotten to the point where everyone can afford the parts to build them. They may be just what you need for your next gathering or party.
Source: EFY Network
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| 285. | 556 Based Servo Exerciser for beginners
Servos are very useful parts in any robot system, especially when hacked to provide full rotation, instead of a limited +- 180 degrees (See Hacking a Servo). This circuit is made to "exercise" a servo. Or in other words, test a servo. It works for both hacked and standard servos since its rotation (on a standard servo) will be directly proportional to the position of the pot used to set the circuit's duty cycle.
Source: EFY Network
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| 286. | Pinball Circuits diagram for beginners
We started the self-playing pinball machine project with a few goals. One was the modify the machine as non-intrusively as possible so that our additions could be removed and the game would still be playable. Along the same lines, the machine is still playable by humans with our modifications installed. We also wanted to give the computer no advantages over a human player, so all of the ball detection is done visually, and the only actuators are the flippers and the shooter.
Source: EFY Network
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| 287. | Regulated power supply for beginners
Power supply (PSU) is the device that transfers electric power from a source to a load using electronic circuits. A typical application of power supplies is to convert utility's AC input power into regulated DC voltage(s) required for electronic equipment.
Source: EFY Network
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| 288. | Power supply ripple rejection for beginners
For understanding power supply ripple rejection in linear regulators, here you can see a simple circuit diagram. Power supply ripple rejection ratio (PSRR) is a measure of how well a circuit rejects ripple coming from the input power supply at various frequencies and is very critical in many RF and wireless applications.
Source: EFY Network
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| 289. | Robotics Circuits for beginners
Are you keenly worried for your final year project? If your answer is yes, you are at right place. Here, you can browse wide assessment of robotics electronic circuits including Magnetic proximity sensors,Color Sensor,Super simple stepper motor controller etc. This website contains lots of free electronic circuits for professionals, hobbyists, students etc.
Source: EFY Network
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| 290. | Beginners-based Power Supply (PS) Circuit
A gigantic range of power supply can be easily browsed at single window. Some of the renowned power supply circuits are as follows: negative supply from single positive supply, self switching power supply, ultra low drop linear voltage regulator, over / under voltage cut-out etc. This site contains lots of free electronic circuits (schematics) & do-it-yourself (DIY) circuit diagrams for hobbyists, students, professionals etc.
Source: EFY Network
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| 291. | Desktop Power Supply from a PC
Are you familiar with the different types of power supply? If not, you are at right place. Power supply is a reference to a source of electrical power. A device or system that supplies electrical or other types of energy to an output load or group of loads is called a power supply unit or PSU. Here you can see all sorts of power supply from a PC (personal computer).
Source: EFY Network
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| 292. | Easy power supply for beginners
Being able to poke voltages into your projects will help you debug. You can buy an adjustable power supply for $50 or so, or build your own from a kit (another one) Just look for any power supply kit that has a LM317 in it. You can also build it for $10 using a 9V battery as input and test clips for outputs. This won't be able to provide a lot of power (cause its just a 9V) but it can go pretty far for testing and debugging.
Source: EFY Network
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| 293. | Power Supply Library for beginners
Power supply is a reference to a source of electrical power. A device or system that supplies electrical or other types of energy to an output load or group of loads is called a power supply unit or PSU. The term is most commonly applied to electrical energy supplies, less often to mechanical ones, and rarely to others.
Source: EFY Network
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| 294. | LED-based fluorescence analysis systems
This paper presents results from an electronic interface that significant improves the stability, power output, and spectral flexibility of light emitting diode (LED)-based systems used to excite fluorescence or other forms of luminescence. LEDs are an attractive alternative to conventional white-light sources used in fluorescence analysis because of reduced power of operation, enhanced modularity, reduced optical loss, fewer imaging artifacts, and increased flexibility in spectral control without the need for high overhead optics.
Source: EFY Network
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| 295. | MP-Grade Amplifier for beginners
The LT ®1764A is a low dropout regulator optimized for fast transient response. The device is capable of supplying 3A of output current with a dropout voltage of 340mV. Operating quiescent current is 1mA, dropping to < 1µA in shutdown. Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators. In addition to fast transient response, the LT1764A has very low output voltage noise which makes the device ideal for sensitive RF supply applications.
Source: EFY Network
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| 296. | Ultra-Low Power MCUs for beginners
This article describes how the STM32 ARM Cortex-M3 core-based microcontrollers provide low power modes and features that mitigate the impacts of leakage on battery powered applications,where static current may be a major contributor to consumption.
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| 297. | WRT54G2 Router for beginners
Linksys WRT54G is a Wi-Fi capable residential gateway from Linksys. The device is capable of sharing Internet connections amongst several computers via 802.3 Ethernet and 802.11b/g wireless data links. The WRT54G is notable for being the first consumer-level network device that had its firmware source code released to satisfy the obligations of the GNU GPL.
Source: EFY Network
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| 298. | Designing a multi-transistor amplifier cascade
Designing a multi-stage transistor amplifier requires the design of interstage matching networks (matching between consecutive transistors) in addition to the usual matching networks required to match the entire amplifier to a given source and load termination. If any transistor in the cascade is potentially unstable then the program will attempt to stabilize it so that both ports (device terminals) can be matched simultaneously.
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| 299. | Electronic circuits for beginners
A small collection of electronic circuits for the hobbyist or student. Site includes over 100 circuit diagrams, links to related sites, commercial kits and projects, newsgroups and educational areas. Most of the circuits can be built with common components available from Radio Shack or salvaged from scrap electronic equipment. Most all of the circuits have been built and tested and believed to perform as described, however possible mistakes may be found.
Source: EFY Network
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| 300. | Common Emitter Amplifiers for beginners
This page brings you the simple circuit diagram of common emitter amplifier. And the circuit diagram of common emitter amplifier is considered as the most common circuit configuration and that a family of curves known commonly as the output charactersistics curves, relates the output collector current (Ic), to the output or collector voltage (Vce), for different values of base current (Ib).
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| 301. | Transistor Fundamentals for beginners
Here you can learn all the fundamental of transistors. The purpose of this page is to clear all the basics point regarding the functioning as well as applications of transistors. The circuit layout and analysis of a JFET amplifier is very similar to a BJT amplifier. The structure of the AC model is also very similar.
Source: EFY Network
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| 302. | Beginners-based tube-transistor hybrid headphone amplifier
Here is the simple circuit diagram of tube-transistor hybrid headphone amplifier which is specially designed for the beginners. One last circuit to ponder, a vacuum tube driving cascading emitter followers. A feedback loop is used to lower the gain and the distortion of the amplifier. The power supply voltage is a mere 12.6 volts. A further trick here is the use of the tube’s heater as a load for the final transistor. This load gives us the ability to drive 32-ohm loads easily and it makes use of the current that would have to flow into the heater anyway, so we save some energy (battery time).
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| 303. | Transistors for beginners
The purpose of this page is to try and explain the transistor. The audience to which it is aimed, is anyone who has or hasn't a clue to how these little Buggers work and/or how to use them. A real problem with some other explanations: for the sake of "fidelity" authors' include confusing details until the concept, or thread--of how they actually work & how to use them--is lost.
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| 304. | Operational amplifier with chopped input transistor pair for beginners
The invention relates to an operational amplifier comprising a first transistor amplifier stage at an input of the operational amplifier, which first transistor amplifier stage comprises chopped transistors, a second transistor amplifier stage cascoded to the first transistor amplifier stage, which second transistor amplifier stage is connected between the chopped first transistor amplifier stage.
Source: EFY Network
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| 305. | Field effect transistor RF amplifier design techniques for beginners
Amplifier design theory utilizing the two port network for an active device has been well developed and used extensively in bipolar transistor high frequency amplitude design. This paper discuss some of the theoretical as well as practical considerations for using this popular method to design field effect transistor amplifiers.
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| 306. | Electronic circuits for beginners
HyperPhysics is an exploration environment for concepts in physics which employs concept maps and other linking strategies to facilitate smooth navigation. For the most part, it is laid out in small segments or "cards", true to its original development in HyperCard. The entire environment is interconnected with thousands of links, reminiscent of a neural network. The bottom bar of each card contains links to major concept maps for divisions of physics, plus a "go back" feature to allow you to retrace the path of an exploration. The side bar contains a link to the extensive Index, which itself is composed of active links.
Source: EFY Network
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| 307. | Working of Simple Audio Amplifier
For boosting the weak output of the receiver, here is the simple circuit diagram of simple audio amplifier .But maybe you don't want to use that particular amplifier, or maybe there isn't a Radio Shack near you, or maybe they'll discontinue that model (like they've discontinued so much over the years, turning a hobbyist builder's paradise into another freaking cell-phone store! -- editorial). And maybe you don't want to copy everybody else who have been promoting audio amps based on the LM386 IC, which also could be discontinued at any time, the way things are changing.
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| 308. | Designing of simple transmitter amplifier for beginners
We were having trouble finding an exact replacement transistor while repairing a piece of equipment. Figuring that an exact replacement was going to be impossible to find, we began to discuss what to do. And someone pointed out that there were only two kinds of bipolar transistors--NPN and PNP. Of course, values for various characteristics vary widely, even for a specific transistor; but in many circuits, a garden-variety device will work (and did in our case).
Source: EFY Network
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| 309. | Beginners-based transistor as a voltage amplifier
With today's state of the art, the operational amplifier package is well established as a means of obtaining voltage amplification and knowledge of how to design discrete transistor amplifiers for this purpose might seem unnecessary. Notwithstanding this, discrete transistor circuits are still needed at frequencies above the range of the operational amplifier and for certain special applications such as low noise amplification where a discrete transistor can often be made to perform better than the amplifier package.
Source: EFY Network
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| 310. | Power amplifier design for beginners
Here you can see the detail description of operation as well as biasing of an amplifier. For better understanding, the whole operation is divided in to different classes like Class-A. Class-A operation is characterized by a constant DC collector voltage and current. This class of operation is required for linear amplifiers with severe linearity requirements including:
Source: EFY Network
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| 311. | Transistor amplifier design for beginners
Bipolar junction transistors are used in amplifier circuits to obtain DC or AC signal amplification. However it is necessary for various parameters of the circuit to be correctly adjusted before the device is used for signal amplification. Different circuit layouts prove to be well suited for different applications, and each circuit’s advantages and drawbacks must be carefully considered.
Source: EFY Network
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| 312. | Transistor circuit for beginners
Educypedia is an information resource about scientific and educational material: electronics, engineering, science, encyclopedia, history and information technology. All the links in the central part are tested with respect to content. You can browse wide assessment of electronic circuits under from the single window.
Source: EFY Network
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| 313. | Non-magnetic D-Sub Connectors for beginners
D-Sub product lines conform to the MIL- DTL-24308 standard and are qualified by ESA according to ESA/SCC 3401. These products are also qualified by NASA according to GSFC. A number of signal, power, high density and coax layouts are available, using non-magnetic shell materials.
Source: EFY Network
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| 314. | Filter D-Sub Connectors for beginners
You all are heartily welcomed to the sophisticated world of Sabritec – brining state-of-the-art technology based filter D-Sub connectosr. Sabritec offers a complete line of high powered EMI filtered D-Sub connectors including the single row size #8 power contacts (3W3, 3WK3, etc.). With the addition of Sabritec’s in-house production of ceramic planar capacitors, we can easily achieve up to 47 nF per line on this series.
Source: EFY Network
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| 315. | D-Sub Connectors TMC High Power Series for beginners
The new high power D-Sub press-fit connector series has been developed to provide an economical solution to the high cost of solder termination. This new connector series allows much more economical and reliable assembly on the backplane, as press-fit technology has a significantly lower failure rate than solder technology.
Source: EFY Network
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| 316. | Traffic information system using LED
A traffic information system including a road, a vehicle traveling on the road and a traffic light assembly operatively associated with the road is disclosed. The system includes a traffic light assembly comprising at least one traffic light or lamp means. The traffic light includes a plurality of light emitting diodes for projecting light rays to the vehicle to provide the driver of the vehicle with a visual signal.
Source: EFY Network
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| 317. | Battery charger circuit for beginners
DiscoverCircuits.com is one-stop-shop from where you can browse different types of more than 26, 000 electronic circuits under single roof. As a vital resource for engineers, hobbyists, inventors & consultants, the site's collection of information will help you find quick solutions to electronic design problems.
Source: EFY Network
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| 318. | Beginners-based Fingerprint Identification Module
Welcome to the Hi-Tech domain of BioEnable Technologies Pvt. Ltd. - one-stop-shop for advanced electronic Identification, automation and tracking solutions. Here you can see FIM10-LV (Fingerprint Identification Module), which is an evolutionary standalone fingerprint recognition module consisted of optic sensor and processing board.
Source: EFY Network
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| 319. | Beginners-based 3D Chip Multiprocessors
Long interconnects are becoming an increasingly important problem from both power as well as performance perspective. This motivates designers to adopt on-chip network-based communication infrastructures and three dimensional (3D) designs where multiple device layers are stacked together.
Source: EFY Network
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| 320. | 3D Chips for beginners
While the number of transistors on a chip increases exponentially over time, the productivity that can be realized from these systems has not kept pace. To deal with the complexity of modern systems, software developers are increasingly dependent on specialized development tools such as security profilers, memory leak identifiers, date flight recorders, and dynamic type analysis.
Source: EFY Network
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| 321. | Electronic calculators for beginners
Are you worried for making your own electronic calculator? A gigantic range of electronic circuits can be easily browsed at here. Here is the list of some of the renowned electronic calculators are as follows: 8051 microcontroller peripheral timing calculator, acoustic reverb delay (RT60) calculator, astable 555 square wave calculator, atmospheric sound absorption calculator, battery charge time calculator, battery charge time variable efficiency calculator, board etch run impedance calculator etc.
Source: EFY Network
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| 322. | Beginners-based electronic circuits
Are you keenly interested in making your own electronic project? If yes, you are at right place. Here you can browse wide assessment of electronic products including alarms and security, audio preamp circuits, automotive schematics, games and fun stuff, infrared based circuits, LED related schematics etc. All kinds of robotic projects can also be easily seen here.
Source: EFY Network
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| 323. | Electronic projects for beginners
Here you can browse wide gamut of electric circuit. This portal is specially dedicated to all beginners, engineering students, amateur, professionals etc. Some of them are as follows: 1.5 Volt LED Flashers, 1.5v LED FLASHER, 10 Channel LED Sequencer based on4017, 10 LED Sequencer, 16 Stage BiDirectional LED Sequencer, 2 LED Flasher, simple2 etc.
Source: EFY Network
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| 324. | Switchers for beginners
Here you can easily browse different types of switchers. Some of them are as follows: Step-up converters, Step-down converters, Dual polarity output power supplies, Negative voltage generation, DC-DC converters with isolation, Mains powered switchers, Other switching circuits etc. And they all are tested as per laid down norms ensuring optimum quality.
Source: EFY Network
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| 325. | DC to DC converters for beginners
Welcome to the sophisticated arena of Hobbyprojects.com – one-stop-shop from where you can browse all sorts of electronic circuits. Here you can also see some of the latest designs for beginners, engineers, hobbyists etc. Some of them are as follows: +9 Volt*and*9 Volt From One Battery,10 to 30K Volt Flyback Power Supply, 1118 Simple Regulator Provides ±12 Volt From 5 Volt Source,1119 Voltage Doubler Design & Analysis,20 Watt Simple Switcher Forward Converter,3.3 Volt Converter Delivers 3 Watt From Li ion Battery etc.
Source: EFY Network
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| 326. | NAND Flash Memory for beginners
This document describes two different methods that can be used to connect NAND FLASH to an EP93xx device. The first approach takes advantage of the data bus and uses fewer GPIO pins. The second approach uses GPIO exclusively.
Source: EFY Network
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| 327. | Telos for beginners
Here you can see an electrical instrument named as "Telos", an ultra low power wireless sensor module (“mote”) for research and experimentation. Telos is the latest in a line of motes developed by UC Berkeley to enable wireless sensor network (WSN) research. It is a new mote design built from scratch based on experiences with previous mote generations.
Source: EFY Network
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| 328. | Robot Projects for beginners
Many of the engineering students are worried about the final year project. Here you can browse different types of robotic-based projects which all can be easily prepared by any beginners. And they all the tested as per laid down norms ensuring optimum quality projects. You will be surprised to know that all robotic as well electronic projects are easily available at the most reasonable price.
Source: EFY Network
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| 329. | Robotic kits for beginners
Welcome to the Hi-Tech domain from where you can browse wide assortment of electronic as well as robotic kits. We carry some of the renowned robotic kits from OWI, CIC, Gaakan Mechamo, Parallax, Ibotz, Microbric, BattleKit, Robotis, Japan Robotech, Kondo, Elenco, Velleman and many more. You can also purchase your favorite electronic as well as robotic kits at the most competitive price.
Source: EFY Network
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| 330. | Want to know more about the PLC
Here you can get the whole history from the early starting of PLC (programmable logic controller). The early days however, were not as straightforward nor as simple. The programmable controller was detailed on New Year's Day, 1968, and from hence till now, a slow steady growth has allowed the manufacturing and process control industries to take advantage of applications-oriented software.
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| 331. | PLC for beginners
A Programmable Logic Controller, or PLC, is more or less a tiny computer with a built-in operating system. This operating system is highly specialized to handle incoming events in real time. The PLC has input lines where sensors are connected to notify upon events like temperature above/below a certain level, liquid level reached, etc. and it has output lines to signal any reaction to the incoming events (e.g. start an engine, open/close a valve, etc.).
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| 332. | Want to know more about the PLC
Since the late 1960's, the Programmable Logic Controller (or PLC) has become an essential aspect of any automated manufacturing process. In recent times there have been contenders to replace the PLC but the priniciples and popularity of those early PLC's functions and concepts have continued unabated.
Source: EFY Network
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| 333. | Beginners-based PLC
A programmable logic controller (PLC) or programmable controller is a digital computer used for automation of industrial processes, such as control of machinery on factory assembly lines. Unlike general-purpose computers, the PLC is designed for multiple inputs and output arrangements, extended temperature ranges, immunity to electrical noise, and resistance to vibration and impact.
Source: EFY Network
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| 334. | More about printed circuit board
Here you can find several links which play a vital role in the proper manufacturing of a reliable PCB (printed circuit board). PCB is a component made up one or more layers of insulating material with electrical conductors. Generally, PCB can be easily prepared with the help of mainly three components including clad board, ferric chloride and OHP marker pen.
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| 335. | Beginners-based PCB
PCB (printed circuit board) can be easily prepared with the help of mainly three collections i.e. Clad board, ferric chloride (FeCl2) and OHP marker pen. First of all with the help of PCB schematic drawing software like Pspice, Eagle, Express PCB etc., you can prepare layout. According to the size of your finally layout, you can easily put the board. Drawing the circuit layout exactly on clad board is considered as one of the simplest methods.
Source: EFY Network
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| 336. | Robotic projects for beginners
Here you can see several links for the making of different types of robotic projects. These robotic projects are specially designed not only for beginners students but also for engineers, technocrats, hobbyists etc. Some of the robotic projects are as follows: A-1 Robot, AT89C2051 Line Follower Robot: (Electronic Schematic / circuit added 4/02), BEAM Stepper, Bridge head, C 52 Evb Robot Controller etc. Additionally, some different electronic circuits can also be browsed here.
Source: EFY Network
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| 337. | Beginners-oriented electronic projects
Welcome to the sophisticated macrocosm from where you can browse wide gamut of electronic projects. Some of them are listed below: low-cost electronic quiz table, low-cost hearing aid, low-cost PCO billing meter, low-cost transistorized intercom, low-power voltage doublers, luggage security system, magic lights, magnetic proximity switch, mains manager, mains operated Christmas star, mains supply failure alarm, medium-power FM transmitter, micromotor controller etc. They all are simply designed specially for the beginners.
Source: EFY Network
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| 338. | Some more electronic projects for beginners
A gigantic range of electronic projects can be easily browsed at here. In addition to this, you can also find paper presentation ideas, white papers, technical papers etc., and many more papers. Moreover, different types of mini projects are also easily available, which is carefully as well as simply designed for the beginners.
Source: EFY Network
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| 339. | Beginner's electronic projects
This category consists of simple electronic circuits, which can be easily constructed by the beginners in the field of electronics. All the circuits are tested as per laid down norms assuring optimum quality. And they all work impeccable with the least consumption of electric power. You can easy download any electronic circuit diagram at the most reasonable price.
Source: EFY Network
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| 340. | Beginner's printed circuit board
Are you keenly interested in making your own PCB (printed circuit board)? If your answer is yes, you are at right place. By following simple and easy steps, you can easily prepare home-made PCB (printed circuit board). For making printed circuit board (PCB) for small circuits, you need clad board, ferric chloride (FeCl2), OHP marker pen, etc. Here is the procedure for making own PCB.
Source: EFY Network
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| 341. | Electronic projects for beginners
Are you worried for your final year project? Here you can browse wide assortment of electronic products which all are carefully designed specially for the beginners. Some of them are as follows: bell-cum light controller, friendly charger for mobile phones,hearing aid, speed control of DC motor using pulse-width modulation, remote-controlled fan regulator,low-power voltage doublers,parrot-sounding AC doorbell,multi-melody generator with instrumental effect, school/college quiz buzzer, visual AC mains voltage indicator, simple short-wave transmitter etc.
Source: EFY Network
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| 342. | Beginners -oriented PCB
This home page offers advice and insights on the process for producing a Printed Circuit Board. The production process has been broken down into the different areas, to prevent confusion and allow easy access to the information within these areas.
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| 343. | Printed circuit board for beginners
The manufacturing of PCB (printed circuit board) consists of four steps including design, fabrication, assembly and testing. The design, fabrication, assembly and testing of printed circuit boards constitute a complex activity in which several players are involved. You can easily manufacture your own PCB by following certain steps.
Source: EFY Network
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| 344. | Beginners-based PCB
PCB (printed circuit board) constitutes a very important strategic component for electronic products. For providing mechanically support as well as electrical conductivity to all the electrical components, different types of printed circuit boards are widely used in electronic industry. A PCB populated with electronic components is a printed circuit assembly (PCA), also known as a printed circuit board assembly (PCBA).
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| 345. | PCB for beginners
Here you can learn the easy method of manufacturing the PCB (printed circuit board). A printed circuit board, or PCB, is used to mechanically support and electrically connect electronic components using conductive pathways, or traces, etched from copper sheets laminated onto a non-conductive substrate. Printed circuit boards may be classified according to their various attributes, often with ambitious results.
Source: EFY Network
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| 346. | Traffic light Control system using 8086 for beginners
Here you can see the circuit diagram of traffic light control system using 8086. For simulating the function of four way traffic controller, this traffic light controller interface is specially designed. A typical junction is represented on the PCB with comprehensive legend printing. Reliability and durability are some of the salient features of this circuit.
Source: EFY Network
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| 347. | Computer Controlled Train Set for beginners
Here you can see the simple circuit diagram of computer controlled train set. And this electronic circuit is the picture-perfect example of “control and automation”. The train set was a modest "Hornby Rural Rambler" which came complete with some track, a power supply a train and some carriages.
Source: EFY Network
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| 348. | Computer Controlled Greenhouse for beginners
This project actually started because I had just bought a new PC leaving my old one doing nothing but sitting in a corner. It was still a perfectly good PC running windows XP at a reasonable speed for all but the most demanding of applications and I was determined to use it for something. The something was based on an idea I had some time ago to automate my greenhouse.
Source: EFY Network
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| 349. | PC controlled car for beginners
Here is very simple circuit diagram for the preparation of PC controlled car. By following simple steps, which is mentioned in this article, you can easy prepare PC controlled car. USB port and the software to run on the PC to create and run the action sequences.
Source: EFY Network
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| 350. | Electronic circuits for beginners
This is one-stop-shop from where you can browse wide gamut of electronic circuits. Some of them are as follows: stereo listening amplifier, water level alarm, car alarm simulator kit , electronic cricket kit etc. Readability and durability are some of the salient features of these electronic circuits.
Source: EFY Network
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| 351. | 8085 programing for beginner
In this tutorial, we should cover the addressing modes and instruction set of the 8085. You may follow the above guideline. In the next tutorials, we will cover the assembly language related to 8085.
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| 352. | Beginners guide for 8085/8085A
Here you can easily cover both the hardware as well as software problems relating to 8085 microprocessor family. Part I focuses on microprocessor architecture, the 8085 instruction set and the part II introduces programming part III integrates hardware and software concepts from the earlier sections in interfacing and designing microprocessor- based products.
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| 353. | Intel 8085 microprocessor for beginners
Here you can see the architecture of Intel 8085 microprocessor which is considered as the picture-perfect example of modern science because they work faultless with the consumption of least amount of electric charge. For performing fast as well as authentic calculations, Intel 8085 microprocessors are also used throughout the globe.
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| 354. | 8085 programming for beginners
The 8085 programming model includes six registers, one accumulator, and one flag register, as shown in Figure. In addition, it has two 16-bit registers: the stack pointer and the program counter. They are described briefly as follows.
Source: EFY Network
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| 355. | Beginners-guide for electronic circuits
Hobbyprojects.com is a collection of links to 1000's of electronic circuits, schematics, on line tutorials to find quick solution for electronic design problems. New circuits and/or links are also added regularly as a resource for beginners, hobbyists, engineers, inventors and consultants. Let us know what is missing or if you have a circuit to include in this collection.
Source: EFY Network
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| 356. | Electronic circuits for you
Here you can browse lots of free electronic circuits which all are very easy to design. And they all work impeccable with the least consumption of electric power. This site contains free electronic circuits for for hobbyists, students, professionals etc., covering a wide range of categories in electronics like audio, music, home/garden related, computer hardware, radio, robotics etc. You can view the entire electronic circuit schematics index by clicking here.
Source: EFY Network
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| 357. | One-stop-shop of electronic circuits for beginners
Here are some neat circuits you might want to try. The schematics and printed circuit board patterns are GIF's, and may show up different on some browsers. You might want to save the images (especially the PC board patterns) to your hard drive, load them into a photo editor (Photoshop, Paint Shop Pro, The GIMP, etc.) and adjust the size before you transfer the pattern to a board. Printed circuit board patterns are available possible.
Source: EFY Network
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| 358. | Complete guide of electronic circuits for beginners
Here you can see wide gamut of electronic circuits. The majority of the circuits can be built with readily available discrete components. Only a few of the circuits rely on microprocessors. Other web pages have numerous circuits for LED blinkers, timers, miniature FM bugs etc.
Source: EFY Network
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| 359. | Countersurveillance Monitor
Many valuable ideas and information are lost from businesses and home through electronic eavesdropping. In the business world, industrial espionage is due for the most part to the fact that whosoever gets their product to the market first is likely to reap huge profits as the others try to catch up. On the domestic side, with so many people now self employed and conducting business from a home office, the entrepreneur can become easy prey to those seeking to profit form the work of others.
Source: EFY Network
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| 360. | Fingerprint Sensor for Notebook PCs
Welcome to the Hi-Tech macrocosm of UPEK – a renowned leader in enterprise and consumer biometric fingerprint solutions. The thick SteelCoat sensor coating is made possible by UPEK's HD3D (High Definition 3 Dimensional) amplified sensing technology that penetrates thick surfaces to read the 'live layer' of the skin.
Source: EFY Network
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| 361. | HP Reveals Fourth Passive Circuit Element
By adding one more electronic component named as “memrister”, HP (Hewlett-Packard) has extended the list of basic three electrical components like resistor, capacitor, inductor. Engineers were already familiar with resistors (which resist the flow of electricity), capacitors (which store electricity), and inductors (which resist changes to the flow of electrical current), which can be combined to build more complex devices. The fourth circuit, which Chua called a "memrister" for memory resistor, would register how much current had passed.
Source: EFY Network
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| 362. | Introduction of memrister
The "memrister", or memory resistor, previously resided as a theoretical fourth basic electric circuit element next to the resistor, capacitor and inductor. It’s the fourth basic element of circuits. It’s memory does not require refreshes and in fact retains information after being switched off.
Source: EFY Network
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| 363. | Memrister : The Fourth Circuit
Here you can see the working of memrister. Memrister is considered as the fourth member of LCR (inductor, capacitor, resister). Are you familiar with the functioning of inductor, capacitor as well as resistor? Engineers were already familiar with resistors (which resist the flow of electricity), capacitors (which store electricity), and inductors (which resist changes to the flow of electrical current), which can be combined to build more complex devices.
Source: EFY Network
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| 364. | Want to know about the memrister
The memrister was first theorized in 1971 by a math-loving electrical engineer by the name of Leon Chua, and is a word merger (or… “wordger”) of “memory” and “resistor”. Before now, there were three pillars to conventional electric circuits: the resistor (which produces a voltage drop between two terminals), the capacitor (which can store electricity), and the inductor (which can create a magnetic flux).
Source: EFY Network
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| 365. | How memrister works?
Are you familiar with the fourth essential component of electronic circuit? The name of fourth basic and vital element of electronic circuit is termed as “memrister”. Are you worried for the memory storage of your computer. Memory storage that doesn't erase when the power is turned off.
Source: EFY Network
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| 366. | Memristers – new choice for beginners
Memrister is considered as the fourth basic and vital element of electronic circuit. The other three are as follows: inductor, capacitor and resistor. Memristors are a class of passive two-terminal circuit elements that maintain a functional relationship between the time integrals of current and voltage.
Source: EFY Network
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| 367. | Beginner's guide for PCB
To stay competitive in today's market, engineers must take a design from engineering through manufacturing with shorter design cycles and faster time to market. To be successful, you need a set of powerful, intuitive, and integrated tools that work seamlessly across the entire design flow.
Source: EFY Network
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| 368. | Beginner's PCB
Here you can learn the simple method for the fabrication of PCB (printed circuit board). The design, fabrication, assembly and testing of printed circuit board constitute a complex activity in which several players ate involved. For this purpose, it is essential to standardize various aspects of PCB technology, so that there is universal agreement for producing quality circuit board.
Source: EFY Network
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| 369. | PCB for Beginners
For better understanding, you can divide the whole construction of printed circuit board (PCB) in to the four phases. Four specific phases of the PCB manufacturing processes need to be understood. And the four phases are as follows: design, fabrication, assembly and test. The most popular process is the “print and etch” method.
Source: EFY Network
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| 370. | Construction of printed circuit board
A variety of processes are currently used for the manufacturing of printed circuit board. However, most of the processes have identical or similar basic steps. Variations in the basic manufacturing steps are usually made by the manufacturers to improve the quality or specific yield. Reliability and durability are some of the outstanding characteristic of printed circuit board (PCB).
Source: EFY Network
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| 371. | Printed circuit board layout
There are many good reasons for using printed circuit board (PCB) instead of other interconnection wiring methods and component mounting techniques. And one of the reason is quality production. Quality production can be achieved at very lower unit cost. In addition to this, printed wiring personnel require minimal technical skills as well as training.
Source: EFY Network
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| 372. | Ultracapacitors
Ultracapacitors are true capacitors in which energy is stored via charge separation at the electrode-electrolyte interface and they can withstand hundreds of thousands of charge/discharge cycles without degrading. An ultracapacitor, also known as a double-layer capacitor, polarizes an electrolytic solution to store energy electrostatically.
Source: EFY Network
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| 373. | Ultracapacitors Challenge the Battery
Ultracapacitors also known as electric double-layer capacitors are supercapacitors that have usually high energy density when compared to common capacitors. Electric double-layer capacitors have a variety of commercial applications. And now these state-of-the-art technology based Ultracapacitors are replacing the ordinary battery.
Source: EFY Network
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| 374. | 8085 PROJECTS
Here is circuit diagram of different types of 8085 projects. As there are so many Universities and Colleges out there Worldwide that are still using this particular micro as an example of a typical 8 bit processor, this page is therefore dedicated to you folks, and hopefully it will guide you in the right direction.
Source: EFY Network
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| 375. | DC motor control
For controlling the speed of small DC motors, this is the simple circuit diagram of DC motor control. The main motto behind the designing of this circuit is to produce astable circuit that work faultless until power is removed. Astable circuits can be used to flash lights/LEDs on and off or to turn a buzzer on and off repeatedly.
Source: EFY Network
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| 376. | LED-based digital volume control
This is a simple circuit diagram of digital volume control. For replacing your manual volume control in a stereo amplifier, you can use this circuit. For controlling the forward operation, switch S1 is used while for reversing the operation, switch S2 is used. This circuit is easily available at the most acceptable price.
Source: EFY Network
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| 377. | Electronic circuits
Depending upon your needs and requirements, here you can see different categories of electronic circuits. And the circuit category include auto, computer, power supply, sound/radio etc. These all electronics circuits are tested and certified as per international quality standards. Additionally, you can easily obtain all these electrical circuits at the most competitive price.
Source: EFY Network
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| 378. | LED-based test and measurement circuits
You all are welcomed here from where you can browse wise assortments of test and measurement circuits. Some of them are as follows: high resistance voltmeter, a simple remote control tester, contactless mains voltage indicator, zener diode tester etc. Reliability and durability are some of the salient features of of our electronic products.
Source: EFY Network
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| 379. | pH measuring system using ion-sensitive field-effect transistors
Here is a design of pH measuring system which is based on novel ion-sensitive field-effect transistor (ISFET) with back contacts using deep diffusions and a microcontroller with a modified A/D conversion to provide a 10 bit resolution that allows 0.01 pH measurements. For determining the slope of chemical responses for data validation purposes, the system also includes software. The system is intended to measure subcutaneous pH in vivo where glass electrodes can not be used due to the size andbreakage risks.
Source: EFY Network
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| 380. | Electronic Circuits
This is one-stop-shop from where you can browse wide assortment of electric circuits. A gigantic range of electric circuits such as PA (public address) circuits, PDA circuits, pest control circuits, phase locked loop (PLL) circuits etc., is easily available. You will be amazed to know that all these electric circuits are easily available at the most rock bottom price.
Source: EFY Network
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| 381. | Inductor Construction
Are you keenly looking for the proper construction of inductor? Different types of magnetic materials are widely used for fabricating inductors. For providing permittivity greater than µo, best quality magnetic material is used because it reduces skin effect losses in the wire.
Source: EFY Network
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