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.

  • 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...

  • DIY LED Emergency Light

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

  • DIY Piano using 555 Timer IC

    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 using IC 555

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

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