HomeEngineering Projects For YouMEGA COLLECTION OF ELECTRONICS DIY PROJECTS

MEGA COLLECTION OF ELECTRONICS DIY PROJECTS

Every week, we publish 2 to 3 projects, sometimes even more! They range from simple circuits for beginners, to advanced projects that you can use to develop complete innovative products! Most projects have been developed by enthusiasts like you. Some by experts. And, some by our team. Many are tested at EFY Labs, and some are not–but they typically have a proof-of-concept video.

Sensor-Based Door Lock

The door lock controller given here is a simple electronic switching circuit realised using a low-cost unipolar Hall effect sensor IC MH183. This CMOS...

Multicolour Curtain Backlights

This circuit comprises two parts: a string of 5mm high-intensity white LEDs connected in series and the circuit wired around. IC CD4060 with an...

Clap-Based Digital Volume Control

This clap-based digital volume control offers four levels of volume control. With each clap, the volume of the audio system increases. After the fourth...

Analogue Wattmeter

Unlike current or voltage measurement, the measurement of power is somewhat inconvenient as power is the product of voltage (V) and current (I) flowing...

Guitar and Microphone Amplifier Using TDA2005M

This simple audio power amplifier works with guitars and microphones, delivering an output power of around 20W over a load of 4 ohms. The amplifier...

Audible Logic Probe

Using a conventional logic probe, it is difficult to determine what is happening at a point in a circuit above 50 Hz. The human...

Simple Parking Counter

This simple circuit can be used to count the number of cars entering a parking lot. The circuit is built around comparator LM311 (IC1), timer...

Simple Water Temperature Indicator

When bathing a baby, it’s important that the water is neither too cold nor too hot. You test the water by dipping your fingers...

Driveway Alarm

You can install this system in the driveway itself to detect intrusion by a vehicle, person or large animal. It sounds an alarm when...

Versatile DC-DC Converter

Here is a versatile power coupler that connects a device to 5V-19V DC generated from AC mains by a power adaptor. Power adaptors come...

Intercom Using LM386

Keep in touch with your family members from one room to another and also from outside areas such as the garage, using this intercom...

Active Reflector for Pedestrian Safety

Pedestrians crossing roads in badly-lit areas, particularly at night or in the early morning, run a risk of accident. There are readymade arm bands...

SERVO MOTOR TESTER

When using a servo motor in a project, if the servo motor does not respond as per the input, how to make sure that...

Home Appliances Control Using Telephone

Using this circuit, you can control up to seven electrical appliances through a telephone. The circuit can switch on/off the appliances in two modes....

1Hz Precision Clock Timer

This timer makes an LED flash once every second along with a beep. The timing circuit uses a quartz crystal available in digital watches...

Pulse Counter Using AT89C4051

Pulse counters are widely used in our day-to-day life. Almost all museums and theaters have a visitor counter installed at entry exit to measure...

Designing Low Power Products Using MSP430 Microcontroller

The use of battery-operated electronics gadgets is increasing fast in our daily lives. Products are expected to be versatile, while consuming minimal power. Reduced...

Microcontroller-Based Ring Tone Player

Mobile phone ring tones sound like real audio recordings. It’s not because of the way the melodies are composed, but the protocol behind playing...
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