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Power

How Wireless Power Transfer Works

Last Updated on May 20, 2026 by Swagatam 43 Comments

wireless2Bpower2Btransfer 1

Wireless power transfer is a process in which electrical energy is transferred from one system to another system through electromagnetic waves without using wires or any physical contact. In this post I have explained regarding how wireless power transfer works or the transfer of electricity through air without using wires. You might have already come […]

Filed Under: Electronics Theory, Power Supply Circuits Tagged With: Power, Transfer, Wireless, Works

Grid Load Power Monitor Circuit for GTI

Last Updated on May 21, 2026 by Swagatam 6 Comments

power2Bmonitor

In this post I have explained a circuit idea which can be used as a power monitor and control system for ensuring that only the specified amount of watts is allowed to enter into the allocated socket, as per the maximum calculated wattage of the appliances connected across those points. The idea was requested by […]

Filed Under: Grid and 3-Phase Tagged With: Grid, GTI, Load, Monitor, Power

Music Power Level Indicator Circuit using IC LM3915

Last Updated on May 15, 2026 by Swagatam 9 Comments

level2Bmeter2Bcircuit

In this post I have explained a  LED music power level indicator for indicating a subwoofer bass power range, which can be also modified as an effective dancing Electroluminescent Wire light show. The idea was requested by Mr. David. Technical Specifications Here’s an idea or suggestion for your projects or what ever lol My son […]

Filed Under: Audio and Amplifier Projects Tagged With: Indicator, Level, LM3915, Music, Power

Adjustable 3V, 5V, 6V, 9V,12V,15V Dual Power Supply Circuit

Last Updated on September 16, 2023 by Swagatam 36 Comments

LM3172BPOWER2BSUPPLY

The purpose of this paper is to detail a variable dual lab power supply circuit which has an adjustable range from 3V, 5V, 6V, 9V, 12V, and 15V or even more at an output current rate of 1 amp. Written By: Dhrubajyoti Biswas The Dual Power Supply Concept In regard to positive volt it is […]

Filed Under: Power Supply Circuits Tagged With: 12V, 15V, Adjustable, Dual, Power, Supply

Emergency Generator Circuit Power Distribution

Last Updated on May 21, 2026 by Swagatam 1 Comment

truthtable

In this post I have explained a twin generator network system to be used for two separate houses during power failure and through automatic changeover.The idea was suggested by Mr. Ahmad. The Circuit Idea and Objective Thank you for posting the new and useful circuits. I am one of interesting in your website. This work […]

Filed Under: Grid and 3-Phase Tagged With: Distribution, Emergency, Generator, Power

100 amp Variable Voltage Power Supply Circuit Diagram

Last Updated on January 17, 2025 by Swagatam 121 Comments

100 amps 100V

The post describes a  simple but extremely versatile 100 amp, variable voltage power supply circuit using just a few BJTs in parallel and in a common collector mode. The idea was requested by Mr. Andre. Technical Specifications Hello Swagatam, I was wondering if you could possibly assist me. on the blogs I have seen some […]

Filed Under: Power Supply Circuits Tagged With: 100, Power, Supply, Variable, Voltage

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