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How to Collect Free Energy from Atmosphere

Last Updated on June 3, 2019 by Swagatam 120 Comments

A free energy collector circuit helps to convert surrounding radio frequency waves to electric power and can provide 40 watts to 10 watts indefinitely. The Circuit Concept An option to […]

Filed Under: Free Energy

Simplest AM Radio Circuit

Last Updated on September 17, 2023 by Swagatam 134 Comments

The following circuit was taken from an old electronic book, it is indeed a very nice little two transistor radio receiver circuit which utilizes very few components yet is able […]



Filed Under: Audio and Amplifier Projects, Mini Projects, Radio Circuits

How to Buy and Use RF Remote Control Modules – Control Any Electrical Gadget Remotely

Last Updated on July 3, 2019 by Swagatam 17 Comments

Remote controls have always been an intriguing device for all of us because of one good reason: It allows us to operate distant gadgets with a flick of a button, […]

Filed Under: Remote Control

LM386 Amplifier Circuit [Working and Application Circuits]

Last Updated on January 28, 2023 by Swagatam 60 Comments

The IC LM386 is a 8-pin tiny power amplifier chip, specially made for operating under relatively low voltage parameters, yet provide considerable amplification. IC LM386 amplifier circuit becomes suitable for […]

Filed Under: Electronic Components

How to Make LED/LDR Opto Coupler

Last Updated on September 30, 2019 by Swagatam Leave a Comment

My good friend Mr. Chiverton shared his experience regarding the features of an LDR in comparison to phto-transistors for making opto couplers. Let’s learn what he discovered regarding opto couplers […]

Filed Under: Sensors and Detectors

Simplest Piezo Driver Circuit Explained

Last Updated on September 11, 2023 by Swagatam 34 Comments

In the previous post we discussed a piezo transducer element and learned how to use it with electronic circuits. In this article we will see how a piezo tranducer can […]

Filed Under: Audio and Amplifier Projects, Mini Projects



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