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.
Simple Constant Current Generator using Transistor
Many of us who have worked with Analog circuits would have often come across the terms voltage source and current source in a...
How to build an Analog Mixer - Additive Mixer and Multiplicative Mixer
A mixer is a special type of electronic circuit that combines two signals (periodically repeating waveforms). Mixers find a lot of use in audio...
Designing an AND Gate using Transistors
As many of us know an Integrated Circuit or IC is a combination of many small circuits in a small package which together...
High Current Low Dropout Voltage Regulator Circuit using MIC29302
Whether it’s your Laptop, TV, Smartphone, or any other electronic device, they all operates at different voltages. These...
How to design a 5V 2A SMPS Power Supply Circuit
Power Supply Unit (PSU) is a vital part in any electronic product design. Most household electronic products like Mobile...
+5V and -5V Dual Power Supply Circuit
Most of the Analog Electronic circuits require dual power supply rails for proper balanced operation; this gets especially...
4-Channel Relay Driver Circuit and PCB Design
Relays are frequently used in our electronics applications specially when we need to drive high loads from microcontroller...
Howland Current Pump Circuit
The simple current source is not perfect for variable loads as the current through load also changes with the load resistance....
Variable Output Voltage DC to DC Boost Converter using MC34063
In the previous tutorials, we demonstrated detailed design of 3.7V to 5V Boost Converter using MC34063 and 12V to 5V Buck...
Automatic Light Fence Circuit with Alarm
Light fence circuit is used to detect the presence of any human or object in a particular area. The detecting range of Light...