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Newly Updated Circuit Projects:

How to Make Any Light a Strobe Light Using Just Two Transistors

Last Updated on June 1, 2026 by Swagatam 168 Comments

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If you feel strobe lights very interesting but are disappointed by the fact that these wonderful light effects can be produced only through complex xenon tube then probably you are quite mistaken. It is very much possible to make any light a strobe light if you are equipped with a proper driving circuit capable of […]

Filed Under: Lamps and Lights Tagged With: Just, Light, Strobe, Transistors

How to Make Active Loudspeaker Circuit

Last Updated on May 15, 2026 by Swagatam 21 Comments

In this post I have explained to make an active loudspeaker system circuit for enabling self sustained amplification of any music source that may be directly plugged in to the active speaker box. Introduction With the advent of ultra modern cell phones, now it has become possible to store huge music data and listen to […]

Filed Under: Audio and Amplifier Projects Tagged With: Active, Loudspeaker

3 Basic Capacitor Functioning and Working Explored

Last Updated on June 7, 2026 by Swagatam 21 Comments

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In this article I have explained 3 popular functions of capacitors and how to use capacitors in electronic circuit by analyzing their appropriate working modes depending on the application need of a given circuit stage Introduction Seen those colorful, cylindrical and chocolate shaped parts on a PCB? These may be actually the capacitors of different […]

Filed Under: Electronics Theory Tagged With: Basic, Capacitor, Explored, Functioning, Working

How to Make a Bridge Rectifier

Last Updated on August 21, 2019 by Swagatam 48 Comments

DIODE 1

A bridge rectifier is an electronic network using 4 diodes which is used for converting an AC input to DC output. The process is called full wave rectification. Here I have explained the basic working principle of rectifier diodes such as a 1N4007 or a 1N5408, and also learn how to connect 1N4007 diodes to […]

Filed Under: Power Supply Circuits Tagged With: Bridge, Rectifier

How to Use Transistors

Last Updated on June 7, 2026 by Swagatam 50 Comments

TO 92 1

If you have understood correctly, how to use transistors in circuits, you might have already conquered half of  electronics and its principles. In this post we make an effort in this direction. Introduction Transistors are 3 terminal semiconductor devices which is able to conduct relatively high power across their two terminals, in response to a […]

Filed Under: Electronics Theory Tagged With: Transistors

Simple Hobby Circuit Projects

Last Updated on June 23, 2026 by Swagatam 201 Comments

40 Watt Fluorescent Lamp Inverter Circuit Diagram2C Image

A few of the interesting and useful hobby electronic circuit diagrams already published in this blog have been selected and compiled here for your quick reference and understanding. What is a Hobby Circuit? A hobby circuit is an electronic circuit project specially designed to suit new hobbyists. These circuits are mostly small and easy to […]

Filed Under: Mini Projects Tagged With: Hobby, Projects, Simple

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