Electronic Circuits

Explore simple electronics circuits and projects for beginners. These mini circuits and projects are properly tested and covered with detailed explanation along with neat and clean schematics and demonstration videos. Below is a large collection of free electronic circuits and projects.

  • Automatic Room Lights using PIR Sensor and Relay

    This automatic staircase light circuit switch on the staircase lights automatically when someone enters on the stairs and gets...

  • IR Remote Control Tester

    We are very much familiar with our television sets, DVDs, MP3 players, music systems and many other device that are controlled...

  • Clock with LED Pendulum and Tick Tock Sound

    Electronic clock with LED pendulum & tick tock sound produces Tick Tock sound every second and it has a LED pendulum in...

  • Melody or Sound Generator Circuit

    A lot of toys have some kind of melody tones in them. But how do these tones generate? Here we have designed a simple tone...

  • Electronic Mosquito Repellent Circuit using 555 Timer IC

    Various mosquito repellent solutions like coils, liquid vaporizers, and creams, all have possible adverse effects to health....

  • Heart Shaped Serial LED Flasher

    In this tutorial we are going to build a Heart shaped serial LED flasher circuit using 555 timer IC and 4017 IC. It is an...

  • Reaction Timer Game using IC 555 and IC 4026

    Reaction timer is a game to test how fast you reacts. This game which we have developed using 555 IC is for two players where...

  • 1 Minute Timer Circuit using IC 555

    As the name suggest 555 timer is basically a “Timer”, which create an oscillating pulse. It means for some time output pin 3 is...

  • Clap Switch Project using IC 555

    Clap switch is an interesting hobby circuit which turns on the lights with a clap sound. Although its name is “Clap switch”,...

  • Rain Alarm Project using IC 555

    Rain alarm is an application which detects the rain water and blows alarm. They are useful devices and play an important role...

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