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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.

Shock-Proof Remote Switch

Using this shock proof remote switch circuit, you can control any AC/DC appliance remotely through inexpensive, low-voltage cabling and a standard push switch. The...

Infrared Burglar Alarm

A special feature of this infrared burglar alarm is latching operation. Also, the circuit is highly sensitive. The circuit comprises transmitter and receiver sections. Whenever...

Digital Soil Moisture Meter

A digital soil moisture meter is used for indicating the water content of a given soil sample. As crop production requires water at different...

Low-Range AM Radio Transmitter

Here is a simple low range radio transmitter for transmission up to 25 metres. It is basically an AM modulator whose signal can be...

10 Microcontroller Based Projects You Must Not Miss!

Looking for some microcontroller based projects to work on? Check out this list and let us know which ones you like. 1. Microcontroller-Based Tachometer A tachometer...

Ultra-Low-Power Sensor Hub Using nRF24L01 Modules

Presented here is an ATmega328P microcontroller-based ultra low power sensor hub using nRF24L01+ radio frequency (RF) transceiver modules having transmitter and receiver units. The transmitter...

Decade Counter Based Flash Light

This decade counter based flash light circuit generates flashing lights in running pattern. In conventional running lights, the LEDs glow one by one. In...

Audio Noise Limiter

Audio noise can be annoying, especially if you are trying to listen to a very weak radio station. Peaks of unwanted background noise completely...

Battery Level Indicator

Normally, in mobile phones, the battery level is shown in dot or bar form. This lets you easily recognise the battery level. Here we...

Phone Broadcaster

Here is a simple yet very useful phone broadcaster circuit which can be used to eavesdrop on a telephone conversation. The circuit can also...

Designing Anti-Sleep Alarm Circuit

Most accidents on highways at the night occur due to drivers’ poor vision caused by the continuous exposure of their eyes to the bright...

Dice with 7-Segment Display

This 7-segment display dice circuit has been realized using an astable oscillator circuit followed by a counter, display driver and a display. Here we...

Fuel Reserve Indicator For Vehicles

Here is a simple fuel reserve indicator circuit for monitoring the fuel level in vehicles. It gives an audio-visual indication when the fuel level...

Automatic Water Pump Motor Controller

Municipal corporations in many cities supply water during early morning hours. So, you have to wake up early, just to switch on your motor...

Smart Stick Using Arduino Uno: Aiding The Visually Impaired

Obstacle detection is one of the major concerns for a fully or a partially blind person (e.g. person suffering from night-blindness, cataracts, glaucoma, albinism...

How to Assemble Your Own 3D Printer

3D printing, getting popular for making usable objects, is the reverse of traditional machining where material is removed from a block by drilling, cutting,...

Stopwatch Using 7805IC

Most of the laboratories and educational institutions in need of accurate stopwatches for precision time measurement and this kind of devices are rare and...

Electronic Tone Generator System

It would be cool to build an electronic tone generator system yourself. Described here is a small tone generator based on pulse-width modulation (PWM)...
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