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.

  • Simple Heat Sensor or Temperature 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 LM741 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...

  • LED VU Meter using LM3914

    We can consider the Volume Meter as an Equalizer, which is present in the Music systems. In which we can see the dancing of...

  • Simple Audio Amplifier Circuit using IC 555

    555 time IC is very powerful and versatile IC, it can be used in many forms. In this tutorial we are going to see how a 555 IC...

  • Laser Security Alarm Circuit using IC 555 and LM358

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

  • Burglar Alarm System using PIR Sensor

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

  • LM3914 Voltmeter

    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...

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