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.
230V AC LED Driver Circuit for Powering 2.5Watts LED Light
AC LED driver circuits are overly popular due to the advancement of High current white LEDs. We already made a Transformerless...
230V AC Mains Over Voltage Protection Circuit
Most of the power supply these days are very reliable due to advancement in technology and better design preferences, but there...
Simple Battery Level Indicator using Op-amp
In the modern world, we use batteries in almost every electronic gadget from your handheld mobile phone, digital thermometer,...
Build Your Own 5V, 1A Adjustable SMPS Using a Dead Computer ATX Power Supply
A Switch Mode Power Supply (SMPS) is an indispensable part of any electronic design. It is used to convert mains high-voltage...
DIY Electromagnetic Levitation Device
This Electromagnetic levitation device is a cool to build an anti-gravity project that is exciting and interesting to watch....
Simple Square wave to Sine Wave Converter
Square wave to Sine wave converter circuit is an important analog circuit that converts square waveforms to sine waveforms. It...
Audio Equalizer / Tone Control Circuit with Bass, Treble and MID Frequency Control using Op-Amp
Tone control or Active equalizer circuit especially bass, treble, and MID control based Equalizer is an important circuit in...
Power Path Controller System using LTC4412 to Switch between Primary and Auxiliary Power
There are many situations when our circuit design has two power sources such as an adapter and a battery or it can even be two...
How to Build an 18650 Lithium Battery Charger and Booster Module
In this tutorial, we are going to build a Lithium Battery Charger & Booster Module by combining the TP4056 Li-Ion Battery...
Design your own Compact 5V/3.3V SMPS Circuit for Embedded and IoT Projects
A crude way to power your DC circuits with AC mains is to use a step-down transformer for stepping down the 230V mains voltage...