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.

1 Minute Timer Circuit

As the name suggest 555 timer is basically a “Timer”, which create an oscillating pulse. It means for some time output pin 3 is...

Clap Switch

Clap switch is an interesting hobby circuit which turns on the lights with a clap sound. Although its name is “Clap switch”,...

Rain Alarm

Rain alarm is an application which detects the rain water and blows alarm. They are useful devices and play an important role...

Fire Alarm using Thermistor

Fire alarms are prime necessities in modern buildings and architectures, especially in banks, data centers and gas stations....

Negative Voltage Generator

In electronics applications sometimes we need negative voltage. However getting a negative supply source is not a reliable...

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