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.
Mechanically powered Emergency Flashlight
Flashlight or Torch is very useful in emergency situations like power failure. These flashlights are battery-operated, and we...
Soft Latch Switch Circuit
A latch circuit can ‘hold’ the circuit in either on or off state until any external signal is applied to it. Latch circuit...
Capacitor ESR Meter using Oscilloscope
Capacitors seem all fine till you get to the point where a power supply fails or refuses to perform optimally. And if the...
DIY Smart Electronic Candle using LDR
Candles have been of great use since ages, it has been guiding humans during night even before Edison came up with the idea for...
How to Measure Current with an Oscilloscope
Measuring current is a simple task – all you need to do is hook up a multimeter to the circuit you want to measure and the...
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...
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