Electronic Circuits

Explore simple electronics circuits and projects for beginners. These mini circuits and projects are properly tested and covered with detailed explanation along with neat and clean schematics and demonstration videos. Below is a large collection of 200+ free electronic circuits and projects.

Simple Heat Sensor Circuit

We have previously built the Fire Alarm using Thermistor and Fire Alarm System using AVR Microcontroller. Today we are building...

Op-amp IC Tester Circuit

Op-amp (Operational Amplifier) is very important component in Electronics, and used in many Electronics circuits to serve...

Music Operated Dancing LEDs

You must have seen the Disco Lights or DJ lights, which Turn ON and OFF according to the beats of the music. These lights glow...

Laser Security Alarm Circuit

Security is main concern for various buildings, houses and offices. For this purpose, there are a variety of security alarms...

Burglar Alarm Circuit

Burglar alarm system is an important part of home security systems. This burglar alarm project is based on PIR sensor, UM3561...

LM3914 Voltmeter Circuit

Here we are going to design a simple voltmeter. It’s simple because it includes only one IC chip - LM3914. LM3914 is a chip...

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