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Design and simulation >> Applications
| 1. | Making of timer
When it comes to the making of most reliable timer then only this website is counted on the top rank. Here you can see the simple circuit diagram of 5 to 30 minute timer which is specially designed for the beginners having little knowledge of electronics. In addition to this, you will be pleased to know that you can also increment the set time by 5 minutes more. By following some simple instructions, you can make your own minute timer within few minutes.
Source: EFY Network
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| 2. | Beginners based quiz circuit
Making of quiz circuit is very interesting as well as different electronic project. This is a simple circuit diagram of 4 input quiz circuit which can be easily further modified. This design uses four IC's and has four input circuits and four independent outputs and a single master reset switch. This simple circuit is very economical because it works faultless with the least consumption of 3 to 15 Volts. Reliability and durability are some of the salient features of this simple project.
Source: EFY Network
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| 3. | Battery tester project using LM3914 IC
For determining the accurate charge of the battery, here is the simple circuit digram of battery tester project using LM3914 IC. Now you can build your own very reliable battery tester project for testing various types of dry cell and rechargeable battery with a voltage of less than 2V. Reliability and durability are some of the salient features of this battery tester project.
Source: EFY Network
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| 4. | Making of hot water level indicator
This is a simple circuit diagram of hot water level indicator which is widely used for measuring the accurate level of hot water. 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. From the initial step of preparation to the final working i.e., the entire construction process can be only seen at this website. By following some simple steps, you can make your own hot water level indicator in few minutes.
Source: EFY Network
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| 5. | Making of 150W MP3 car amplifier
You all are wholeheartily welcomed to this website which brings simple circuit diagram of MP3 car amplifier. From the initial step of preparation to the final working i.e., the entire manufacturing process can be easily seen only at this website. This is a perfect project for beginners having little knowledge of basic electronics. Reliability and durability are some of the salient features of this simple project.
Source: EFY Network
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| 6. | The making of digital volume control
Here is the simple circuit digram of digital volume control. This electronic circuit works faultless with the least consumption of electric power. For making a reliable digital volume control circuit, you much have 5V regulator, six discrete ICs etc. Two modes (up-mode and down-mode) are used in this circuit. In this circuit up-mode is used for increasing and down-mode is used for decreasing the volume.
Source: EFY Network
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| 7. | Basic UPS power supply for beginners
Now you don't have to worry for the power cut problems. Here you can see the simple circuit diagram of basic UPS power supply which provides a constant regulated 5 V output and an unregulated 12 V supply. By using different regulators and batteries, you can also adopt this circuit for regulated as well as unregulated voltages. For example, for getting 15V regulated supply, you can use two 12V batteries in series and a 7815 regulator.
Source: EFY Network
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| 8. | Multi rocket launcher for beginners
Now its time for making some interesting as well as exciting electronic project. Are you interested in making very reliable multi rocket launcher? Now you don't have to worry for making this simple electronic project because by following some simple steps you can make you can make your multi rocket launcher within few minutes. With the help of low voltage battery igniters, you can make your own multi rocket launcher.
Source: EFY Network
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| 9. | Headphone amplifier for beginners
Instead of using big loudspeakers, you can use your own headphones amplifier which can be easily made by following some simple instructions. They all are found embedded in most of electronic devices such as portable music players, integrated amplifiers and televisions also. For driving medium range impedance, you can make your own headphone amplifier in which both the halves are equal.
Source: EFY Network
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| 10. | Beginners-based low pass filter - subwoofer
You all are wholeheartedly welcomed to this website bringing the simple circuit diagram of low pass filter – subwoofer. If you are keenly interested in making a loudspeaker having very low frequency then you can simply follow the instructions of this web page. This is a perfect electronic project for the beginners.
Source: EFY Network
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| 11. | Miniature real-time controller for beginners
Welcome to this website which brings simple circuit diagram of miniature real-time controller. A miniature real-time controller controls various electronic appliances including night light, AC (air-condition) etc. For working impeccable, this simple circuit uses only three chips including 89C2051, DS275(or MAX232), and 74LS07 open collector driver. For better and easy understanding, this website also brings the C programming which is specially designed for the beginners.
Source: EFY Network
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| 12. | Traffic control system for beginners
Controlling the traffic system is really a difficult and a painstaking task. Increasing traffic is one of the biggest problems for both developing as well as developed countries. But now you don't have to worry for this simple problem. This website brings simple circuit diagram of traffic control system. With the help of an ordinary computer and remote traffic monitoring control system , the traffic police men can easily control the huge traffic.
Source: EFY Network
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| 13. | Temperature sensor for beginners
Welcome to this website which brings simple circuit diagram of temperature sensor. This webpage shows how to use a microcontroller to interface to a Dallas 1620 temperature sensor IC. For collecting as well as sending data to the PC, this simple circuit consists of AT89C2051 microcontroller. In addition to this, a MAX232CPE chip is also used to convert the signals from and to RS232 levels for sending and receiving through the serial port.
Source: EFY Network
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| 14. | Making of 24 hour timer for beginners
The making of 24 hour timer is a perfect project for beginners having little knowledge of electronics. These two circuits are multi-range timers offering periods of up to 24 hours and beyond. Both the 24 hour timers have almost same working. Both the circuits are considered as the picture-perfect example of modern engineering because both work faultless with the least consumption of electric power.
Source: EFY Network
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| 15. | Making of wireless stepper motor controller
You all are wholeheartily welcomed to this website which brings simple circuit diagram of wireless stepper motor controller. This is actual wireless application because RF interface is used instead of IR to overcome all the drawbacks of IR interface. By following some simple instructions, you can make your own wireless stepper motor controller. This is a perfect project for beginners having little knowledge of electronics.
Source: EFY Network
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| 16. | LED display digital voltmeter
For getting accurate indication of the supplied voltage, this website brings simple circuit diagram of LED display digital voltmeter. In order to understand the principle of operation of the circuit it is necessary to explain how the ADC IC works. This simple electronic circuit employs the ADC (analogue to digital converter) I.C. CL7107 made by INTERSIL. This LED display digital voltmeter is a perfect project for beginners having little knowledge of basic electronics.
Source: EFY Network
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| 17. | Making of I2K power inverter
Power cut is one of the main problems for both developing as well as developed countries. We all are facing the same problem. But now you don't have to worry for this simple problem. Here you can see the simple circuit diagram of power inverter which produces power during utility failures. This is a perfect project for beginners having little knowledge of electronics. Reliability and longevity are some of the salient features of this simple circuit.
Source: EFY Network
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| 18. | Making of FM transmitter
Are you keenly interested in making your own FM transmitter? If your answer is yes, you are at right place. This webpage brings simple circuit diagram of FM transmitter which plugs into the headphone jack or proprietary output port of a portable video or audio device including CD player, media player etc. This simple circuit converts the audio output into an FM radio signal. For working impeccable, this simple circuit consists of hartley type oscillator.
Source: EFY Network
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| 19. | Beginners-based light sensor project
Welcome to this website which brings simple circuit diagram of light sensor. This web page shows how to set up a microcontroller based system that converts a signal from a light sensor to a 6 bit digital value. For collecting as well as sending data to the PC, this simple circuit diagram consists of AT89C2051 microcontroller. This simple circuit works impeccable with the least consumption of electric power. By following some simple steps, you can make your own light sensor within few minutes.
Source: EFY Network
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| 20. | The making of TV remote control blocker
By applying this simple and small circuit at your TV, you can jammed the remote. This TV remote control blocker is set at frequency of 38 KHz which is considered as an ideal frequency for operating most of the TV receivers. For increasing the range of circuit, you can simply decrease the value of the 180 ohm resistor to not less than 100 ohm. This is a perfect project for beginners.
Source: EFY Network
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| 21. | The making of novel buzzer
Here you can see the simple circuit diagram of buzzer. This novel buzzer circuit uses a relay in series with a small audio transformer and speaker. When the switch is pressed, the relay automatically operates via the transformer primary and closed relay contact. This simple electronic circuit is the perfect project for beginners having little knowledge of basic electronics. Reliability and durability are some of the salient features of this simple electronic circuit.
Source: EFY Network
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| 22. | Beginners-based radar detector
Detecting the exact location of radar is really a very difficult task. Now you don't have to worry for making a authentic circuit diagram of radar detector. This web page brings simple circuit diagram of radar detector which works faultless with the least consumption of electric power. For working impeccable, this simple circuit diagram uses of 1458 dual operational amplifier. Reliability and durability are some of the salient features of this simple circuit diagram.
Source: EFY Network
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| 23. | LED Lamp
Here you can see simple circuit diagram of LED lamp which work faultless with the least consumption of electric power. Can you see the trick behind the construction of LED lamp? There is one trick with this circuit, matched pairs of LEDs must be used. This is a minimal parts lamp made with four white LEDs. It features regulated light output from 10V to around 20V and works well as a flashlight.
Source: EFY Network
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| 24. | Automatic intruder alarm for beginners
When it comes the making of very authentic automatic intruder alarm then only this website is ranked on the top. Here you can see the simple circuit of single-zone burglar alarm circuit. Automatic exit and entry delays are some of the outstanding features of this simple circuit. In addition to this, this simple circuit also provides one more feature of timed bell/siren cut-off. By following some simple instructions, you can make this simple circuit within few minutes.
Source: EFY Network
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| 25. | PC remote control for beginners
Making of PC remote control sounds very interesting. With the help of any ordinary TV remote control, you can easily control and command the whole PC. Now you don't have to move for increasing or decreasing the volume of your PC. You can easily control the entire operations with the help of an ordinary TV remote control. By following some simple instructions, you can make this simple project within few minutes.
Source: EFY Network
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| 26. | Beginners-based antenna tuning unit
Are you worried for making an authentic electric circuit of ATU (antenna tuning unit). Welcome to this webpage which brings simple circuit diagram of ATU (antenna tuning unit) which matches a transceiver with a fixed impedance to a load impedance. In addition to this, this simple circuit also allows the use of one antenna for a broad range of frequencies. This is a perfect project for beginners having little knowledge of basic electronics.
Source: EFY Network
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| 27. | PC based quiz buzzer
Are you interested in making some different electronic project? Making of PC based quiz buzzer is really an interesting project for technical as well as non technical persons. Instead of allowing only the first person who presses the buzzer first to answer, this buzzer introduces a new idea called 'Priority passing'. Instead of producing sound or light by pressing the buzzer, this simple circuit diagram produces both audio and visual effects. This simple project makes the show very attractive.
Source: EFY Network
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| 28. | Automotive battery charger project
You all are wholeheartily welcomed to this web page which brings simple circuit diagram of automotive battery charger. This simple electronic project is specially designed for charging 12V lead acid battery. From the initial step of making to the final working i.e., the entire construction can be easily seen only at this website. Now you don't have to worry for making a reliable battery charger because by following some simple steps you can make your own battery charger.
Source: EFY Network
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| 29. | Remote Solar LED light
Here is the simple circuit diagram of remote solar LED light. It would make for an excellent science fair project, and would also serve as a good introduction to solar powered circuitry. It may also have some practical uses, such as shedding some light into a dark part of your house. The idea is simple, the solar panel converts sunlight into a trickle of electricity. The electricity is used to run a white LED.
Source: EFY Network
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| 30. | Making of frequency counter for beginners
You all are wholeheartedly welcomed to this website which brings simple circuit diagram of frequency counter. For measuring frequency from 1Hz to 100 MHz, this simple circuit is widely used across the globe. You will be amazed to know that this simple circuit can also be used for counting the events such as how many people have crossed the street and many more. For better visibility, this simple frequency counter has LCD display. This website brings both hardware as well as software parts.
Source: EFY Network
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| 31. | Beginners-based sound effects generator
Are you wholeheartily interested in making some different and exciting electronic project? If your answer is yes, you are at right place. Welcome to this website which brings simple circuit diagram of sound effect generators for producing different sound effects. Modern technology based UM356 IC (integrated circuit) is responsible for producing different types of sounds. This sound effect generator works faultless with the least consumption of electric power.
Source: EFY Network
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| 32. | Making of infra red extender mark
Making of remote controlled project is always an interesting task for both technical as well as non-technical persons. Many of us are unaware regarding the exact working of remote controlled projects. This website brings simple circuit diagram of an infra red wired repeater circuit for controlling various electronic appliances. This is a perfect project for beginners having little knowledge of electronics.
Source: EFY Network
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| 33. | Beginners-based snore alarm
Nowadays, many of waking alarms are easily available in the local market having irritable noise. For waking early in morning, here is the reliable solution. Now you don't have to irritate by the alarm of an ordinary clock. This website brings simple circuit diagram of snore alarm producing audible alert. The vibration is provided by a small motor housed in a small 35mm film case, which can be placed under the sleepers mattress or pillow. This circuit also has a level control and peak display indicator, a variable trigger threshold and trigger indication.
Source: EFY Network
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| 34. | Fast audio peak limiter for beginners
When it comes to the making of most reliable fast audio peak limiter then only this website is counted on the top rank. Nowadays different kinds of audio peak limiters are easily available in local market but mostly all of them are not expensive. This website brings the simple circuit diagram of fast audio peak limiter which is too economical for making. For following some simple instructions, you can make your own fast audio peak limiter within few minutes.
Source: EFY Network
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| 35. | 555 Timer Theory & Design
The 555/556 timer is considered as the matchless example of state-of-the-art technology. It is very expensive as well as easy to use. The working of 555/556 timer is based on two modes Monostable mode and Astable mode. In the monostable mode the 555 acts as a "one shot". n the astable mode the 555 will retrigger itself to output a stream of pulses of variable length.
Source: EFY Network
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| 36. | Beginners-based signal tracer and injector
For finding fault in various audio as well as radio equipments, here you can see the simple circuit diagram of signal tracer and injector. This is a simple circuit diagram of signal tracer and injector which is an electronic test equipment used to troubleshoot radio and other electronic circuitry. This is a perfect electronic project for beginners having little knowledge of basic electronics. By following some simple instructions you can make your own signal tracer and injector within few minutes only.
Source: EFY Network
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| 37. | Making of passive ethernet hub
You all are wholeheartily welcomed to this website which brings simple circuit diagram of passive ethernet hub. This simple circuit plays a vital role when you deal with little network consisting of three or more more PCs running under Window 2000. Now you don't have to worry for huge network of PCs. By following some simple instructions, you can make your own passive ethernet hub within few minutes.
Source: EFY Network
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| 38. | Making of rocket launch controller
Are you keenly interested in making your own rocket launcher controller? If your answer is yes, you are at right place. This website brings simple circuit diagram of rocket launch controller. You will be amazed to know that it has the ability to control up to 8 pads through 6 core cable. For the easy carrying, you can easily divide it into 6 pin DIN plugs. This is a perfect project for beginners having little knowledge of electronics.
Source: EFY Network
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| 39. | Infra red remote control extender
You all are welcomed to this website which brings simple circuit diagram of infra red remote control extender. This circuit is used to relay signals from an infra red remote control in one room to an IR controlled appliance in another room. Now you don't have to move for tuning your favorite channel or change the volume of TV set. With the help of infra red remote control extender you can easily operate your electronic device.
Source: EFY Network
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| 40. | Cool Circuits Collection
For the 40 pin PIC micro devices, here is one solution named as two-in-one pic programmer and experiment board. Without any programmer, you can easily download this board by programming your code. And this board supports for PIC16F,PIC18F 40 pin devices.
Source: EFY Network
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| 41. | Microcontroller Based Schematics
This is one-stop-shop from where you can browse wide assortments of electronic projects. Different types of electronic circuits like 10 tricks for interfacing to the 8051 Development System Circuit Board 2, PIC16C508, 101 AT Keyboard to ASCII Decoder using 68HC705J1A MCU, 80C31 stepper motor controller etc., are easily available. You will be pleased to know that they all are available at the most reasonable price.
Source: EFY Network
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| 42. | LED battery level indicator project
Here is the simple circuit diagram of LED battery indicator which indicates the true level of voltage. This simple battery level indicator project is based on LM3914 monolithic IC from National Semiconductor that senses the voltage levels of the battery. This simple circuit provides a linear analog display output and has a pin that can be configured to display the output in moving dot or bar graph.
Source: EFY Network
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| 43. | DC motor control with VC++
You all are wholeheartily welcomed to this website which brings simple circuit diagram of DC motor control. This is a simple electronic project which is based on DOS (disk operating system) but now this is window based program written in visual C++ to control DC motor. For making this simple electronic project you much have atleast basic knowledge of C programming as well as visual basic language. For the better understanding of beginners, here you can also see not only the technical description but the programming section too.
Source: EFY Network
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| 44. | Beginners-based MOSFET tester
Claiming the correct working of MOSFET is not a very difficult task. Welcome to this website which brings simple circuit MOSFET tester which can easily test all default or non-working MOSFET. The working of this simple circuit diagram is based on the principle that when the MOSFET works well it will operate in the astable multivibrator causing the LED to flash. Howsoever, default MOSFET will not cause LED to flash. You will be amazed to know that almost any kind of NPN transistor can work impeccable on this circuit.
Source: EFY Network
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| 45. | Radio wave alarm for beginners
Welcome to this webpage which brings simple circuit diagram of radio wave alarm. This simple electronic circuit is specially designed for the beginners having basic knowledge of electronics. Howsoever, this simple circuit has an addition advantage of alerting you to their presence even before their footsteps fall on the doormat. If you are looking for a final year project then this is a perfect project for technical as well as non-technical persons.
Source: EFY Network
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| 46. | Ham radio circuit audio filter project
Welcome to this website which brings simple circuit diagram of ham radio circuit audio filter project. This simple circuit diagram was considered as one of the fastest and reliable mode of radio communications. This simple circuit forms an alphabets by generating dit and dah. This project will help to filter out the interference signal and ensure that the signal received from the morse code station stand out. This is a perfect project for beginners having little knowledge of electronics.
Source: EFY Network
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| 47. | Battery powered burglar alarm circuit for beginners
Making of battery powered burglar alarm is now not a difficult task. This website brings simple circuit diagram of burglar alarm having timed siren cut-off. When alarm activates, the in-built siren produces sound for almost 20 minutes. For faultless working of alarm circuit, you can also replace the DC supply by the uninterpreted AC supply. For making this simple electronic product, you have some common electronic devices like relay, buzzer, siren etc.
Source: EFY Network
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| 48. | PC based data logger
The translation of data into machine readable signal can be easily done with the help of PC based data logger. This website brings simple circuit diagram of PC based data logger which consists of cutting-edge technology based sensors, transmitters and other important instruments. The components of data acquisition systems include appropriate sensors that convert any measurement parameter to an electrical signal, which is acquired by data acquisition hardware.
Source: EFY Network
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| 49. | Making of one-time burglar alarm
Making of one-time burglar alarm is really an interesting task for technical as well as non-technical persons. This simple circuit is specially designed for producing one-time burglar alarm. Now the making of one-time burglar alarm is really not a difficult task because this website brings each and every instructions regarding the complete construction of one-time burglar alarm. Reliability and durability are some of the salient features of this simple electronic project.
Source: EFY Network
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| 50. | Beginners-based regulated 12 V supply
Are you worried for making an electronic circuit producing 12 V power supply? This website brings simple circuit diagram of 12 V power supply electronic circuit. For working faultless, this simple circuit diagram consists of 13 V zener diode – a reverse-biased diode which produces constant voltage. For proper voltage regulation, this simple circuit diagram consists of diode D2. This circuit is also known as an amplified zener circuit.
Source: EFY Network
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| 51. | Beginners-based voltage indicator
For monitoring the supply voltage in any circuit, here you can see the simple circuit of voltage indicator. For indicating the correct voltage supply, this simple circuit consists of LED (light emitting diode). This simple and slightly odd circuit can clearly show the level of the true supply voltage. If the input voltage falls below 11 V, LED1 will start to blink and the blinking will just get slower and slower if the voltage drops further. This is a perfect project for beginners having little knowledge of electronics.
Source: EFY Network
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| 52. | Automatic Phase Changer
Most industrial and commercial processes are dependent on electrical power. Power instability in developing countries creates a need for automation of electrical power generation or alternative sources of power to back up the utility supply. This automation is required as the rate of power outage becomes predominantly high.
Source: EFY Network
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| 53. | Beginners-based temperature monitor
Welcome to this website which brings simple circuit diagram of temperature monitor. This circuit uses an ordinary NTC thermistor with a resistance of 47k at room temperature. You will be pleased to know that this simple works faultless with the least consumption of electric power. This is a perfect project for beginners having least knowledge of electronics. By following some simple instructions, you can make your own temperature monitor circuit within few minutes.
Source: EFY Network
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| 54. | Making of digital IC tester
For testing the true working of integrated circuits (ICs), here you can see the simple circuit diagram of IC (integrated circuit) tester. Using this simple electronic circuit, you can easily test the authentic working of any electronic circuit. Different kinds of IC testers are easily available in local market consisting of different hardware circuits for different ICs which involves more complications. Now you don't have to worry because this IC tester has overcome this simple problem.
Source: EFY Network
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| 55. | 555 timer based voltage inverter
Welcome to this web page which brings simple circuit diagram of 555 timer based voltage inverter. This simple circuit is used for converting positive voltage into negative voltage. For working impeccable, this simple circuit consists of 555 timer having 23 transistors, 16 resistors and 2 diodes. This 555 IC is also used for implementing variety of timer as well as multivibrator applications. By following some simple instructions, you can make this simple electronic project with in few minutes.
Source: EFY Network
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| 56. | FM transmitter for beginners
Welcome to this website which brings simple circuit diagram of FM transmitter. Here is the simple circuit diagram of PC board pattern for a low power FM transmitter. When FM transmitter works on 9 V then its range is nearly 300 feet. Depending upon the need and application, you can also increase the range of the transmitter.
Source: EFY Network
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| 57. | LED-based automatic room lights
Here is the simple circuit diagram of automatic room power control circuit. Firstly, we discuss about the ordinary automatic room power control circuit having one light sensor. So when a person enters the room it gets one pulse and the lights come on. But what happens when two persons enter the room, one after the other? To overcome this problem, here is complete solution.
Source: EFY Network
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| 58. | Night light saver for beginners
Saving electricity is really a good habit. For promoting that habit, here you can see simple circuit diagram of night light saver. For working impeccable, this simple circuit consists of Ni-MH battery backup, reset button and simple time setting. For making this simple project, you much have atleast basic knowledge of C programming. The period of time on can be reprogrammed with SDCC. Here is the detailed description of this simple project.
Source: EFY Network
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| 59. | Making of infra red remote control extender
When it comes to the making of the most reliable infra red remote control extender then only this website is counted on the top rank. This website brings simple circuit diagram of infra red remote control extender which can be easily prepared within few minutes by following some simple instructions. This simple electronic circuit is much more dependable as well as sensitive as compared to some other infra red remote control extender.
Source: EFY Network
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| 60. | Making of 1.3 Volt Power Source
When it comes to the making of most reliable low voltage power (nearly 1.3V) supply then this website is counted on the top rank. This website brings all the vital information regarding the perfect making of 1.3 V power supply. This simple circuit can also be used for various applications. Additionally, this circuit can also be used for providing power the front panel multi adapter having a digital thermometer.
Source: EFY Network
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| 61. | All sorts of PCB's
For providing better electrical conductivity as well as mechanical support, printed circuited board (or better known as printed circuit board assembly (PCBA)) is widely used. Now different kinds of PCB's (printed circuit boards) counting from 2220 Design Standards for Printed Circuit Boards, 2226 - Sectional Design Standard for High Density Interconnect (HDI) Boards, D-859 - Design Standard for Thick Film Multilayer Hybrid Circuit etc., are easily available in market.
Source: EFY Network
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| 62. | LED-based spectrometer
Here is the simple circuit diagram of low cost LED-based spectrometer. A total of seven wavelength selections are available by the plug-and-measure LED light module. With the seven wavelength selections, the LED based spectrometer could provide qualitative visible absorption spectra that predict the absorption maximum. You will be amazed to know that the LED-based spectrometer is easily available at the most rock bottom price.
Source: EFY Network
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| 63. | Car anti theft wireless alarm
You can use this circuit to thwart burglary. It sounds an alarm when someone tries to stole your car. The mini VHF, FM transmitter is also fitted in the vehicle when it is parked in the car porch. You will be amazed to know that the receiver unit a single IC-based FM radio module is easily available at the most competitive price in the market.
Source: EFY Network
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| 64. | Construction of variable DC power supply
Are you keenly interested in making your own very reliable variable DC power supply? If yes, you are at right place. Here you can see each and every instructions regarding the construction of DC power supply circuit. By following some simple steps, you can make your own DC power supply circuit. This is a perfect project for beginners having little knowledge of basic electronics.
Source: EFY Network
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| 65. | Wireless IR headphone transmitter
You all are wholeheartily welcomed to this website bringing simple circuit diagram of wireless IR headphone transmitter. The transmitter for the wireless headphones is built around a CD4046 CMOS phase-locked loop which is coupled with a driver transistor and a pair of infrared LEDs. This is very interesting electronic project for beginners having little knowledge of electronics.
Source: EFY Network
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| 66. | Making of telephone line indicator
Making of telephone line indicator is a simple project for beginners having partial knowledge of basic electronics. This website brings simple circuit diagram of telephone indicator for indicating that the phone line is in use or not. This simple project have an LED indicator to indicate whether the telephone line is in use or otherwise. For making this simple electronic project you much need commonly used electronic parts which are easily available in local market.
Source: EFY Network
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| 67. | Microcontroller Based Thermoelectric Generator Application
Here is the design of a microcontroller controlled thermoelectric generator which transforms geothermal energy (one of the renewable source of energy) into the electrical energy. In the system, energy transformation is provided via the Seebeck effect in the thermoelectric modules. Due to its reliability as well as simplicity, thermoelectric energy production promises a long life working without any maintenance.
Source: EFY Network
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| 68. | Making of clock controller V1.1
For turning ON/OFF the AC load, here you can see the simple circuit diagram of clock controller. Initially, the clock controller was designed for controlling the timer, 7-segment LED and keypad scanners. For the proper understanding and easy learning, this web page also brings the programming section which is specially designed for the beginners. Reliability and durability are some of the salient features of this simple circuit.
Source: EFY Network
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| 69. | Making of video signal amplifier
Welcome to this website which brings the simple circuit diagram of video signal amplifier. Here you can see the circuit of broad band amplifier which will take the video signals from your VCR and will amplify them sufficiently to drive up to 3 monitors, TV sets, or other VCRs for recording from one video to up to three others. For working faultless, this simple circuit consists of five transistors. By following some simple instructions, you can make your own video signal amplifier within few minutes.
Source: EFY Network
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| 70. | Remote Control Circuits
Remote control using telephone - Here is a teleremote circuit which enables switching on and off of appliances through telephone lines. It can be used to switch appliances from any distance, overcoming the limited range of infrared and radio remote controls. The circuit described here can be used to switch up to nine appliances (corresponding to the digits 1 through 9 of the telephone key-pad). The DTMF signals on telephone instrument are used as control signals.
Source: EFY Network
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| 71. | Dual regulated power supply
You all are welcomed to this web page which brings simple circuit diagram of dual regulated power supply. Here you can see the detail description for making very reliable dual regulated power supply. For regulating the positive supply, this simple circuit consists of 7815 voltage regulator and the 7915 voltage regulator regulates the negative supply. By following some simple instructions, you can make it just few minutes.
Source: EFY Network
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| 72. | Making of real time clock for beginners
Are you keenly interested in making some different and exciting electronic project? If yes, you are at right place. Here you can see the simple circuit diagram of real time clock. For an excellent displaying of digits, LCD is used in this simple circuit. Additionally, LCD also brings large and high resolution picture of digit which is almost twice than that of normal size. For the better understanding of beginners, this web page also brings the C programming as well as the source code.
Source: EFY Network
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| 73. | LED-based bicycle safety light
Here is the simple circuit diagram of LED-based bicycle safety light. For providing clearly visible light, this circuit is carefully designed. Due to low voltage, low drain battery operation and small size, the device is suitable for mounting on bicycles as a back light, or to put on by jogger/walkers. You can easily browse the LED-based bicycle safety light at the most competitive price.
Source: EFY Network
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| 74. | Making of a bipolar regenerative receiver
When it comes to the making of most reliable bipolar regenerative receiver than this website is counted on the top rank. This website brings the simple circuit diagram of bipolar regenerative receiver which works faultless with the least consumption of electric power. By following some simple steps, you can make your own bipolar regenerative receiver within few minutes. Reliability and longevity are some of the outstanding features of this simple circuit.
Source: EFY Network
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| 75. | Electronic filter
For removing the unwanted signals from the electronic circuit, electronic filters are widely used throughout the globe. Electronic filters can be: passive or active, linear or non-linear, discrete-time or continuous-time, infinite impulse response (IIR type) or finite impulse response (FIR type) etc. But the most common types of electronics filters are linear filters.
Source: EFY Network
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| 76. | Your own PWM motor/light controller
Welcome to this web page bringing PWM motor/light controller. A pulse width modulator (PWM) is a device that may be used as an efficient light dimmer or DC motor speed controller. For controlling DC devices which draw only few ampere of current, this reliable circuit is used throughout the globe. In addition to this, this device is also used for controlling the brightness of an automotive tail lamp. Here is the simple circuit diagram.
Source: EFY Network
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| 77. | Peak reading audio level meter
For indicating peak audio response on an analogue meter, here you can see the simple circuit diagram of peak reading audio level meter. For better understanding, you can easily compare the working of peak reading audio level meter with the tape recorder meter. The circuit having fast response time and slow decay time to indicate peak reading works only with MOSFET opamp.
Source: EFY Network
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| 78. | Voltage Regulator
For maintaining a constant voltage level, voltage regulator is widely used in different electronic circuits. Every electronic circuit is designed to operate off of some supply voltage, which is usually assumed to be constant. A voltage regulator provides this constant DC output voltage.
Source: EFY Network
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| 79. | Microcontroller-Based Remote Locater Using Asynchronous Serial Communication
The main aim of this project is to develop a remote locater device which is used to find the lost items. By sending an RF signal to small remote units to various items in the home including remotes, TV etc., the exact position of the lost item can be easily determined. When an item is lost, the user scrolls through an LCD screen located on the base unit. And the remote unit which is attached to the desired items receives the RF transmitted digital ID code from the base unit and produces an audible alert tone to allow the user to locate the item.
Source: EFY Network
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| 80. | BJT Biasing
We all know that a BJT (bipolar junction transistor) is very versatile in nature. BJT (bipolar junction transistor) can be used in different ways like a switch or an oscillator, an amplifier etc. Before applying an input signal, the operating system of BJT is needed to be set. And this can be easily achieved with a suitable bias circuit.
Source: EFY Network
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| 81. | 4 channel IR remote with HT12E & HT12D chips
Making of remote controlled electronic project is always an interesting as well as learning task for technical as well as non-technical persons. Are you keenly interested in knowing the exact theory behind the working of remote controlled project? This website brings simple circuit diagram of single remote chip. You will be amazed to know that all the four different channels an be utilized for different applications. By following some simple instructions, you can make your own IR remote circuit within few minutes.
Source: EFY Network
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| 82. | Beginners-based AM receiver
You all are wholeheartily welcomed to this website which brings simple circuit diagram of portable AM receiver which is intended to receive a radio signal and if need be to extract information from the signal. For working impeccable as well as fast, this simple circuit consists of a popular ZN414 IC (integrated circuit). Designed around the popular ZN414 IC this receiver covers the medium wave band band from approximately 550 to 1600 KHz. By following some simple instructions, you can make your portable AM receiver within few minutes.
Source: EFY Network
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| 83. | Beginners-based Ni-Cd battery charger
When it comes to the making of most authentic Ni-Cd battery charger then only this website is ranked on the top. Welcome to this web page which brings simple circuit diagram of Ni-Cd battery charger. You will be amazed to know that with in three hours this simple circuit can charges maximum of three hours. BY following some simple instructions, you can make your own Ni-Cd battery charger with in few minutes.
Source: EFY Network
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| 84. | Beginners-based Triac Based Light Controller
Welcome to this webpage which brings simple circuit diagram of Triac Based Light Controller. This project is intended for controlling mains powered disco lighting, although there are many other possible uses for controlling almost any mains appliance. Now you don;t have to worry for controlling separate channels. It will control five separate channels at up to 3 Amp per channel. Additionally, you will be amazed to know that this strength could be easily increased by designing another PCB (Printed Circuit Board).
Source: EFY Network
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| 85. | DC Motor Control System for Robot Applications
Here is the simple circuit of DC Motor Control System for Robot Applications. For better clarification, here is also PID closed loop control system. PID controls the gain portion of the closed loop control system. And for accurate speed control, motor speed should be independent of load.
Source: EFY Network
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| 86. | Electronic circuits for beginners
Here is the link of more than 26, 000 electronic circuits for the new comers. Almost every kind of electric circuit is easily available at this link. And each electronic circuit is carefully categorized and proper tested under the proper guidance of trained professionals. You can browse wide assortment of electronic circuits at the most rock bottom price.
Source: EFY Network
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| 87. | Microcontroller-Based Clinical Chemistry Analyser
For measuring various blood biochemical parameters such as bilirubin, blood glucose, protein etc., high-performance microcontroller-based photometric biochemical analyser is widely used across the globe. Photometric biochemical analyser is also to measure and observe enzyme growth occurred while performing the other biochemical tests such as ALT (alkaline amino transferase), amylase, AST (aspartate amino transferase), and so forth. And these all test play a vital role and has a great significance in biochemistry.
Source: EFY Network
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| 88. | Digital thermometer for beginners
By following some simple as well as logical instructions, you can make your own digital thermometer. With the easy availability of inexpensive digital multimeters, and integrated circuit temperature sensors, it is now very easy to build a sensitive and accurate digital thermometer that can be used for many experiments around the house or in the amateur laboratory.
Source: EFY Network
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| 89. | Simple car battery charger
This a circuit diagram of simple car battery charger. And this very simple circuit uses of an ammeter, capacitor, two diodes, transformer etc. For charging the battery, you should connect the circuit to the positive and negative terminal of the battery. When battery is fully charged, the ammeter reads zero amps. But when battery is not charged, the ammeter reading shows 1-3 amps.
Source: EFY Network
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| 90. | Different types of Power Circuits
Different types of power circuits including 0-30 VDC Stabilized power supply with current control 0.002-3 A, Regulated 12 Volt Supply, Dual Regulated Power Supply etc., can be easily seen. For making them safe and more reliable, power circuits are externally coated with non-conducting or insulating wires.
Source: EFY Network
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| 91. | Simple component and continuity tester
Welcome to this web page which brings simple circuit diagram of circuit tester. This simple circuit is widely used for testing of different electronic components. In addition to this, this simple circuit is also used for checking the track of different electronic board. Depending upon the resistance of the electronic item which is being tested, the LED of this circuit either brights or dim. This is perfect project for beginners having little knowledge of electronics.
Source: EFY Network
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| 92. | Water detector with sump / bilge pump controller
Detecting moisture is really is really a difficult task. But now you don't have to worry for this simple problem. Here is the simple circuit diagram for detecting moisture by passing an AC current through a set of probes. This moisture detector with pump controller is built around the special purpose LM1830 IC. This is perfect circuit for beginners having little knowledge of electronics.
Source: EFY Network
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| 93. | Microcontroller-Based Interface Circuit for a Microflown
This circuit diagram is specially designed for performing mainly three different functions: (1) for performing some digital filtering computations (2) to carryout an analog to digital conversion for the signal produced by a two-wire microflown (3) again convert the filtered signal to the analog world.
Source: EFY Network
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| 94. | Rectification using a gyrator circuit
Are you keenly interested in making some different as well as fun-loving electronic circuit? If yes, you are at right place. You all are wholeheartily welcomed to this webpage which brings simple electronic rectification circuit. For avoiding the use expensive as well as large size electrolytic capacitors, this simple circuit consists of state-of-the-art technology based active transistors which works faultless with the least consumption of electric power.
Source: EFY Network
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| 95. | LED-based electronic circuits
Are you worried for the final year electronic project or any presentation? Here we present wide assortment of LED-based electronic circuits. Here you can easily browse a gigantic range of LED-based electronic circuits. And they all work impeccable with the least consumption of electric power.
Source: EFY Network
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| 96. | Simple two speed contactor DC motor controller
You are welcome to this website which brings simple circuit diagram of two speed contactor DC motor controller. And two speed contactor DC motor controller is considered as one of the simplest of all the motor controllers. This simple circuit may be used for your electric scooter project. It is based around three 12V relays, two 12V batteries, two switches and a motor.
Source: EFY Network
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| 97. | The making of electronic time clock project for beginners
When it comes to the most truthworthy electronic time clock then only this website is ranked on the top. Here you can easily see the very simple circuit diagram of electronic time clock. For the proper display of digits, this circuit consists of 18 pin PIC16C54 microcontroller. The four 7 segment displays are connected in a multiplexing method and each segment is sequentially by controlling the common cathode of each 7 segment.
Source: EFY Network
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| 98. | Phone busy indicator
You are welcome to this website bringing simple circuit diagram of phone busy indicator. By lighting a red LED (light emitting diode), this simple electronic circuit shows that the phone is in use. But when the phone is not in use, it reflects green LED (light emitting diode). One of the most salient feature of this circuit is that it need no external power.
Source: EFY Network
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| 99. | THREE PHASE SYSTEM MONITORING AND CONTROL CIRCUIT
A three-phase system monitoring and control circuit wherein the control circuit has a thyristor in series with a fuse and a relay having contacts in the three-phase system. The thyristor is controlled by a gating circuit having a unijunction transistor oscillator with an RC charging network. A system voltage monitor supplies a charging voltage to the network. If the voltage monitor detects system voltages exceeding a predetermined minimum, the oscillator is triggered.
Source: EFY Network
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| 100. | 60W guitar amplifier for beginners
Are you keenly interested in making your own 60W guitar amplifier? If your answer is yes, you are at right place. Using a single-rail supply of about 60V as well as capacitor-coupling for the speaker, this design adopts a well established circuit topology for the power amplifier. This is an interesting project for the beginners.
Source: EFY Network
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| 101. | Complete circuit diagram of quiz circuit
Are you interested in making some different electronic project? Here is the simple circuit diagram of quiz circuit which can be easily prepared with in few minutes. This simple circuit consists of four inputs which can be further modified as per requirement and need. For working impeccable, this simple circuit diagram consists of four IC's as well as a single master reset switch. Additionally, it also consists of CMOS. Here is the simple circuit diagram.
Source: EFY Network
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| 102. | Making of 5 to 15V regulated power supply
You all are welcomed to this website which brings simple circuit diagram of simple DC regulated power supply having a variable DC voltage range from 5V to 15V. This simple electronic circuit provides current of 400mA for the functioning of various circuits. For varying the voltage, here you can also see the potentiometer. In this circuit, the input line power supply is designed for 240V AC.
Source: EFY Network
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| 103. | Telephone recorder for beginners
Here is the simple circuit diagram of telephone recorder. Now you can record your phone conversations automatically. The device connects to the phone line, your tape recorder's microphone input, and the recorder's remote control jack. Here you can see the detailed description of the project.
Source: EFY Network
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| 104. | Making of 27 MHz transmitters and receivers
The making of remote control circuit is always an interesting and hot discussion amongst technical persons, engineering students, hobbyists etc. This web page consists the complete working of remote control transmitters as well as receivers. Here you can learn the making of very reliable 27 MHz transmitters and receivers which are widely used in remote cars, aeroplanes, walkie talkies etc.
Source: EFY Network
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| 105. | Your own hearing aid circuit
For listening very faint sounds, here is the simple circuit of hearing aid circuit. This web page consists of three different circuit diagram of hearing aid circuit. On the basis of impedance, you can easily classify the three hearing aid circuit. By following some simple instructions, you can make your own hearing aid circuit. So why are you waiting for. Here is the simple circuit diagram of hearing aid circuit.
Source: EFY Network
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| 106. | Four-in-one burglar alarm
This is a simple circuit diagram of four-in-one burglar alarm. This is a perfect electronic project for beginners having little knowledge of basic electronics. By following some simple instructions, you can make your own four-in-one burglar alarm in just a few minutes. Under the following four different conditions, this circuit switches on: 1. When light falls on LDR1. 2. When light falling on LDR2 is obstructed. 3. When door switches are opened or a wire is broken. 4. When a handle is touched.
Source: EFY Network
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| 107. | X-tal oscillators on 8-bit microcontrollers
Designing-in 8-bit microcontrollers occasionally raises questions regarding the crystal oscillator circuit. The support groups in Eindhoven and Zuerich have gained some experience in responding to these kind of customer questions. This report reflects some of this experience. For engineers in the field as well as development engineers involved in microcontroller based products that do not have specific oscillator knowledge, reading this report may result in some awareness of the oscillator issues making it easier to approach questions on this subject.
Source: EFY Network
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| 108. | Lots of electronic circuit for beginners
Are you keenly worried for making a reliable project for your institution or organization? A gigantic range of electronic circuits can be easily browsed here. Some of them are as follows: audio, automations, computers, converters, digital, LED, microcontroller, oscillators etc. And they all are tested as well as performed as per laid down norms.
Source: EFY Network
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| 109. | Night light saver V5.0
Saving energy is always a good habit. Due to the rapid consumption of renewable sources of energy, saving energy is always a hot topic amongst developing as well as developed countries. Here is the simple circuit diagram of night light saver V5.0 which works faultless with the least consumption of electric power. Now you don't have to worry for your electric bill.
Source: EFY Network
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| 110. | Some More about the BJT (BIPOLAR JUNCTION TRANSISTOR)
BJT (bipolar junction transistor) is a three-terminal device which is used as amplifier as well as switch. BJT may be used in amplifying and switching applications. A bipolar junction transistor, (BJT) is very versatile. It can be used in many ways, as an amplifier, a switch or an oscillator and many other uses too. Due to the very high transconductance and output resistance as compared to MOSFETs, BJT is widely used in the construction of various electronics circuit.
Source: EFY Network
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| 111. | RADIO MICROWAVE AND OPTICAL CIRCUITS
Radio, Microwave and Opto-electronic circuits share similar aims; i.e. the processing of electromagnetic waves. Differences arise because of the changes in wavelength, 3 metres to 0.3 microns, and the way that these signals interact with lumped and distributed components.
Source: EFY Network
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| 112. | Automatic fan controller for beginners
Have you bored by using manual fan controller? If yes, you are at right place. Here you can see the simple circuit diagram of automatic fan controller which work faultless with the least consumption of electric power. This state-of-the-art technology based automatic fan controller works continuously without producing no more heat. By following some simple steps, you can make your own automatic fan controller.
Source: EFY Network
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| 113. | Making of Simple DC Adapter Power Supply
Making of DC Adapter Power Supply is now not a difficult task. When it comes to the making of most reliable electronic circuit of DC adapter power supply then this webpage is counted on the top rank. By following some simple instructions you can make your own DC adapter power supply within few minutes. Additionally, you don't have to worry for making this simple circuit because all the electronic components related to this circuit are easily available in your local market.
Source: EFY Network
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| 114. | Your own Loudspeaker Test Box
This simple project is intended to make life that little bit easier when you are trying to determine the optimum frequency compensation network for woofers and midrange drivers. For making this simple electronic project, you much have some common electronic items including couple of switches, banana sockets, capacitors etc. This webpage brings complete information for making an authentic loudspeaker test box.
Source: EFY Network
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| 115. | Beginners-based intercom project
Now you can construct your own two station intercom project using LM386 amplifier. For faultless working as well as operation, each intercom station is well-equipped with state-of-the-art technology based speaker, battery, microphone etc. This project will help beginners to understand the basics applications of operational amplifiers (OP AMP).
Source: EFY Network
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| 116. | Soft ON / OFF switch for beginners
Here is the simple circuit diagram of soft ON / OFF switch which produce almost zero level of noise. The working of this electronic circuit is same as that of power button in the ATX computer cabinet. It can be used to turn on/off any electronic/electrical equipment that operates on any range of voltages. The clock is provided by the push button used for on/off action.
Source: EFY Network
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| 117. | LED-based fluorescence analysis system
This paper presents results from an electronic interface that significantly 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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| 118. | TTL (transistor-transistor logic)
TTL (transistor-transistor logic) is a class of digital circuit which is built from BJT (bipolar junction transistors) as well as resistors. With the rapid development of different integrated circuits (ICs), new problems were encountered but on the other hand new solutions were also developed and applied. The main problem with DTL (digital transistor logic) circuits was that they had taken much more room on the ICs chip but TTL is considered as the best alternative for DTL.
Source: EFY Network
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| 119. | Your own infrared cordless headphone amplifier
Your high music listening habit may disturb your near and dear ones. But here is the only reliable solution. Here you can see very authentic circuit diagram of infrared cordless headphone amplifier which produces audio from your television without disturbing anyone. Now, you can also make your own infrared cordless headphone amplifier.
Source: EFY Network
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| 120. | Alarm phone dialer for engineering students
For monitoring the activity of any electronic equipment, this simple circuit diagram of alarm phone dialer is specially constructed. Calling of a number from programmed numbers indicates that the system has been completely activated. Here you can see the complete construction of alarm phone dialer as well as the programming code. By following some simple steps, you can make your own alarm phone dialer.
Source: EFY Network
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| 121. | LED's World
Welcome to the sophisticated arena of Educypedia. Educypedia is a one-stop-shop from where you can browse wide gamut of electronic circuits. Here you can see different types of links which all are laboratory tested with respect to the content. And they all are available at the most reasonable price.
Source: EFY Network
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| 122. | Your own lotto number selector
Are you keenly interested in making some of the fun loving electronic project? If your answer is yes, you are at right place. Here you can see the simple circuit diagram of lotto number selector which is actually a fun loving electronic circuit. When you understand how the circuit works, it is really 4 projects in one. By following some simple instructions, you can make your own lotto number selector.
Source: EFY Network
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| 123. | LED-based fun/games circuit
Are you keenly looking for the most authentic fun / games electronic circuit? If yes, you are at right place. A gigantic range of fun / games electronic circuit like electronic scoring game, JAM (just a minute circuit), flashy Christmas light etc., can be easily obtained from here at the most rock bottom price.
Source: EFY Network
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| 124. | Controlling the projector using a personal computer
Welcome to this website which brings simple circuit diagram of projector which can be easily controlled not only by remote control but you can also control with the help of computer. This projector can be controlled by connecting a personal computer with RS-232C terminal. Before connecting the computer to the projector, you make sure that both should be turned OFF. Here you can also see the RS232C cables which may be necessary when you control the projector.
Source: EFY Network
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| 125. | Hold phone circuit for beginners
Talking to your near and dear ones gives you great feeling which can not be expressed in words. But what happens when two people are keenly interested in talking with you at the same time. In that case, any one can hold the conversation. Now you don't have to worry for this simple problem. Here you can see the simple circuit diagram of hold phone circuit. This hold phone circuit will enable you to hang up one phone without losing the connection and move to another room or hall and pick up a different phone which is connected in parallel and continue your conversation.
Source: EFY Network
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| 126. | LED-based dimmer circuit
Here is the presentation of simple circuit diagram of LED-based dimmer circuit. The present invention provides a simplified and inexpensive circuit for dimming light emitting diodes utilizing a conventional TRIAC AC dimmer. The AC output from a source is rectified and applied to a resistor/Zener diode circuit connection which determines the magnitude of the rectified voltage applied via a circuit to a first MOSFET device.
Source: EFY Network
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| 127. | Your own 4-220 V test probe
Are you interested in making an electronic circuit which can indicate the presence or absence of an AC? This web page brings simple circuit diagram of 4-220V test probe which indicate the presence of AC voltage. Lighting of both the LED's indicates that the presence of an AC voltage while the lighting of only LED shows the presence of DC voltage. Now you can make your own test probe with in few minutes.
Source: EFY Network
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| 128. | Telephone switch for phone recorder project
Are you interested in making an electronic circuit which can record telephone conversation? If your answer is yes, you are at right place. This phone recorder project will enable you to record both sides of your telephone conversations. After picking the handset of your telephone, this simple electronic circuit starts working. This circuit is specially designed to work for 1.5V and 3V tape recorders as well as the usual 6V or 12V.
Source: EFY Network
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| 129. | Low noise microphone preamplifier
Welcome to this web page which brings simple circuit diagram of microphone preamplifier. This low noise microphone preamplifier is ideally suited for low impedance microphones. This microphone preamplifier is not really suitable for any kind of professional work. Here you can see the detail description for making your own low noise microphone preamplifier. By following some simple steps, you can make your own microphone preamplifier just only few minutes.
Source: EFY Network
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| 130. | New Class of Ethernet Switching
Are you are looking to build scalable networks to easily deliver Carrier Ethernet services for carrier infrastructure projects and business Ethernet access? Tellabs has introduced a new line-up of metro Ethernet products. The Tellabs 7300 series addresses market needs for Carrier Ethernet service offerings in business, consumer and wireless applications.
Source: EFY Network
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| 131. | Noise trap for long servo leads
Are you familiar with the term “Noise trap”? If not, you are at right place. A noise-trap takes care of noise or interference picked up by long servo leads. It filters a noisy signal into a sharp filter. Here you can see the entire operation with complete detail. By following some simple steps, you can also make your own noise trap for long servo leads.
Source: EFY Network
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| 132. | Designing a limiter for headphone amplifiers
Here is the simple circuit diagram for designing a limiter for headphone amplifiers. These limiter plays a vital role in maintaining safe listening levels. You will be amazed to know that without a limiter, large transients in audio signals could generate dangerous SPLs in headphones, although the average volume might be set at an acceptable level.
Source: EFY Network
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| 133. | Contactless mains voltage indicator
As we know that the discovery of CMOS (complementary metal oxide semiconductor) – a major class of integrated circuit brings the revolution in the electronics industry. Here is the simple circuit diagram of CMOS IC (CD4033) circuit which is widely used for detecting the presence of mains AC voltage. It can be used to detect mains AC voltage without removing the insulation from the conductor.
Source: EFY Network
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| 134. | Simple circuit of pine racecar victory
Are you looking for some different and very interesting electronic project? Here is the simple circuit diagram of pine racecar victory which can be easily build by any beginners having little knowledge of electronics. For indicating the true winner of the race, this simple circuit indicates very appropriate LED. And hence it is very authentic circuit. By following some simple steps, you can make your pine racecar victory.
Source: EFY Network
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| 135. | Test your PCB (Printed Circuit Board)
A method for testing an optical disc drive control PCB using a reference optical pick-up head, the method comprising: a step for determining a value by comparing an output of an optical disc drive control PCB under test to an output of a reference optical pick-up head laser; a step for comparing the value to a pre-determined value and accordingly determining whether the optical disc drive
Source: EFY Network
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| 136. | Avago Technologies Simplifies GPS Designs
Avago Technologies brings a highly integrated GPS low noise amplifier (LNA) with high performance levels. The ALM-1712 effectively integrates a sophisticated GPS LNA and two FBAR filters resulting compact as well as high-performance GPS RF front end module that simplifies the design of a wide range of GPS applications. Avago’s ALM-1712 addresses the need of simultaneous GPS, and other location-based GPS services, which require a high level of receiver sensitivity.
Source: EFY Network
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| 137. | Flexible printed circuit (FPC)
Printed circuit boards (PCB) are basic components of electronic products. Printed circuit boards are classified into two sorts according to their substrates: rigid printed circuit boards and flexible printed circuit boards (FPC).
Source: EFY Network
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| 138. | Simple RS232C level converter using transistors
Welcome to this website bringing simple circuit diagram of simple RS232C level converter using transistors. Due to the unavailability of RS232C level converter, many people has been switched over to MAX232. But now you don't have to worry for this simple problem. Here is a simple and cheap circuit using small signal transistor providing TTL to RS232C level converter. This is a perfect project for beginners having little knowledge of basic electronics.
Source: EFY Network
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| 139. | A brief introduction - PSPICE
PSpice is a PC version of SPICE (which is currently available from OrCAD Corp. of
Cadence Design Systems, Inc.). A student version (with limited capabilities) comes with various textbooks. The OrCAD student edition is called PSpice AD Lite.
Source: EFY Network
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| 140. | Simple power down circuit
Here is the simple circuit diagram of power down circuit. This circuit adds a power down function to analog I/O ports (for example, the AD7769 and AD7774). In the circuit, MOSFETs Q1 and Q2 switch the +5- and +12-V supplies, respectively, in a sequence controlled by two cross-coupled CD4001 CMOS NOR gates (U1C and U1D). Reliability and durability are some of the salient features of this simple electric project.
Source: EFY Network
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| 141. | Beginners-based game show indicator lights
Here you can see very simple circuit diagram of game show indicator light. This electronic circuit is considered as the picture-perfect example of modern technology because it works faultless with the least consumption of electric power. The circuit below turns on a light corresponding to the first of several buttons pressed in a "Who's First" game. Here is the complete description of simple circuit diagram:
Source: EFY Network
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| 142. | The emerging H.264/AVC standard
From digital televisions to portable electronics, the H.264/AVC next-generation video compression standard is becoming mainstream. With the ability to achieve more than twice the compression ratio of the existing MPEG-2 standard, H.264/AVC is indeed a major advance in bringing better-quality video to electronics.
Source: EFY Network
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| 143. | New WCDMA/HSDPA power amplifiers
You all are wholeheartily welcomed to this webpage which brings all the vital informations regarding the new class of WCDMA/HSDPA power amplifiers. Both power amplifiers are considered as the matchless example of modern engineering because they work impeccable with the least consumption of power. RF3267 and RF6266 are specially designed to support the critical needs of next-generation, multi-band, multimode 3G handsets and smartphones.
Source: EFY Network
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| 144. | ERNI brings New D-Sub Connectors
With the introduction of new range of connectors, ERNI brings D-sub connectors which all can be easily screwed to the PCB (printed circuit board). This new class of connector is specially designed for reducing the PCB (printed circuit board) assembly cost. Due to the easily availability in standard shape and size, it can be easily applicable for both domestic as well as industrial applications.
Source: EFY Network
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| 145. | Your own high voltage LDO
Welcome to this website which brings complete information regarding LT3008 Regulator - the newest member in a family of high voltage. Linear Technology Corporation has announced the LT3008 – micropower PNP-based LDOs (low dropout regulator). This state-of-the-art technology based LT3008 regulator works faultless with an adjustable output voltage ranging from 0.6V to 36V.
Source: EFY Network
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| 146. | ADI shrinks high-frequency DC-to-DC regulator
Analog Devices, Inc. (ADI) - a renowned semiconductor manufacturing company, introduces the industry’s smallest 500-mA buck regulator, the first of a family of high-frequency 6-MHz DC-to-DC regulators. For working faultless, this simple device requires only two small capacitors and one small inductor and hence reduces the area of PCB (printed circuit board).
Source: EFY Network
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| 147. | ERNI adds Passive I/O Distribution Boxes
By extending the M8/M12 product line, ERNI brings cutting-edge technology based passive I/O distribution boxes. For an excellent visibility of status, all the boxes utilise LEDs (light emitting diode). The I/O modules are especially designed for industrial automation since they avoid the use of parallel cabling involving control units or switch cabinets.
Source: EFY Network
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