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 free electronic circuits and projects.

  • 1 Minute Timer Circuit using IC 555

    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 Project using IC 555

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

  • Rain Alarm Project using IC 555

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

  • Fire Alarm Project

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

  • Negative Voltage Generator using IC 555

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

  • Doorbell using IC 555

    Doorbell is a very common and useful device used in every household. Among electronics students and hobbyists, doorbell circuit...

  • Police Light Circuit

    In this project we are going to design a circuit, to make a flashing light similar to that on a police car. This police light...

  • PIR Motion Detector/Sensor Circuit Diagram

    Passive Infrared Sensor (PIR) is very useful module, used to build many kinds of Security Alarm Systems and Motion Detectors....

  • Servo Motor Tester using IC 555

    Servo motors are basically rotary actuators that enable precise control of angular position, acceleration and velocity in...

  • Fading LED Circuit using 555 Timer IC

    You should have seen LEDs glowing and fading in a LED Strip lights, used for decoration in festivals and functions. They look...

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