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.
Mains Power Supply Failure Alarm Circuit
Although there are inverters and generators to immediately start the AC power supply whenever there is a power cut but sometime...
4-20mA Current Loop Tester using Op-Amp as Voltage to Current Converter
Sensors are an integral part of any measurement system as they help in converting the real world parameters into electronic...
Single Cell Boost Converter Circuit using Coin Cell – 5V Output
Battery cells are the most commonly used energy source to power portable electronics. Be it a simple alarm clock or an IoT...
What is Switch Bouncing and How to prevent it using Debounce Circuit
What is Switch Bouncing?
When we press a pushbutton or toggle switch or a micro switch, two metal parts come into contact to...
RC Phase Shift Oscillator using Op-Amp
A Phase Shift Oscillator is an electronic oscillator circuit which produces sine wave output. It can either be designed by...
How to make a Supercapacitor Charger Circuit
The term Supercapacitors and its possible usage in Electric Vehicles, Smartphone’s and IoT devices are being considered...
Sziklai Transistor Pair
Sziklai Transistor Pair was first designed by George Sziklai to overcome some efficiency related issues with Darlington pair,...
Charge Pump Circuit - Getting Higher Voltage from Low Voltage Source
The situation is simple – you have a low voltage supply rail, say 3.3V, and you want to power something that needs 5V. This is...
Simple Wireless Power Transmission Circuit to Glow an LED
The Wireless Electricity Transfer concept is not new. It was first demonstrated by Nikola Tesla in the year 1890. Nikola Tesla...
Simple Curve Tracer Circuit: Tracing the Curve for Resistor, Diode and Transistor
Most of electronics deals with Tracing Curves, be it the characteristic transfer curve for a feedback loop, a resistor’s...