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.

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...

Introduction to ADC0804

We know all the parameters of nature are of analog. That means they vary continuously over time. Say for an instance...

Transformerless Power Supply

Generating Low voltage DC, from the 220v or 110v AC mains, is very useful and necessary in the field of electronics. Low...

Emergency Light

Emergency light is an integral part of household electronics nowadays. We all know Emergency light is used during the power...

DIY Piano

Piano is developed by connecting a 555 timer ASTABLE multivibrator with variable frequency to a speaker. Piano is a wonderful...

Clap On Clap Off Switch

A "Clap On Clap Off" switch is an interesting concept that could be used in home automation. It works as a switch which makes...

IR Based Security Alarm

IR based security alarm circuit can detect any movement and trigger the alarm. This circuit is very useful in homes, banks,...

IR Sensor Module Circuit

Sensors are very important part of electronics, especially in Robotics and Automations. Sensors in electronic devices make our...

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