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.
AC Lights Flashing and Blink Control Circuit Using 555 Timer and TRIAC
Sometimes, we might need an AC bulb flasher circuit that can blink a series of bulbs in a particular time interval for...
Programmable Gain Amplifier using MOSFET and Transistor
In the measurement industry, a very crucial functional block is a Programmable Gain Amplifier (PGA). If you are an electronic...
Half Wave and Full Wave Precision Rectifier Circuit using Op-Amp
A rectifier is a circuit that converts alternating current (AC) to Direct current (DC). An alternating current always changes...
Positive and Negative Charge Pump Circuit
In a previous article, I have shown you how you can build your own switched capacitor voltage converter circuit using the...
AC Current Measurement using Current Transformer and Arduino
A current transformer is a type of instrumental transformer specially designed to transform alternating current in its...
Over Voltage, Over Current, Transient Voltage & Reverse Polarity Protection Circuit using RT1720 Hot Swap Controller with Fault Timer
Oftentimes in an electronic circuit, it's absolutely necessary to use a special protection unit to protect the circuit from...
Triangle Wave Generator Circuit using Op-amp
Function generator or waveform generator is an integral part of electronics and used to produce various kinds of waveforms like...
High Power High Efficiency Buck Converter Circuit using TL494
A buck converter (step-down converter) is a DC-to-DC switching converter that steps down voltage while maintaining a constant...
Magnetic Polarity Detector Circuit using Hall Effect Sensor
We all know that every magnet has two polarities, i.e. North Pole and South Pole, whether it is neodymium magnet, ring magnet...
Stereo Audio Pre-Amplifier Circuit with Bass and Treble Control using Transistors
Often times, we need to control bass, treble, and volume of our audio signal before passing it through amplification stages to...