Electronic Circuits
Electronic is fun to learn, especially if you can learn it by building your own circuits. To help you with that, Circuit Digest provides you with a list of popular Electronic circuits and Electronic projects with well illustrated circuit diagram and detailed explanation for a complete do-it-yourself experience. All projects are tested and verified with a working video for a hassle free learning experience. Whether you are an expert or beginner in electronics, we have something interesting for all of you. Below is our huge collection of 200+ free electronic circuits that you can build today.
Cell Phone Charger Circuit
Mobile phones generally charge with 5v regulated DC supply, so basically we are going to build a 5v regulated DC supply from...
Automatic Staircase 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 Tester Circuit
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
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
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
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
Clap switch is an interesting hobby circuit which turns on the lights with a clap sound. Although its name is “Clap switch”,...
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