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9 Simple Solar Battery Charger Circuits

Last Updated on January 6, 2025 by Swagatam 528 Comments

garden2Blight

Simple solar charger circuits are small devices which allow you to charge a battery quickly and cheaply, through solar panels. A simple solar charger circuit must have 3 basic features built-in: In this post I will comprehensively explain nine best yet simple solar battery charger circuits using the IC LM338, transistors, MOSFET, buck converter, etc […]

Filed Under: Solar Controller Circuits Tagged With: Battery, Charger, Circuits, Simple, Solar

5 Easy 1 Watt LED Driver Circuits

Last Updated on June 18, 2022 by Swagatam 154 Comments

12Bwatt2Bled2Bdriver2Bcircuit

In this post I have explained about a few easy to build, compact 1 watt LED bulb circuits. The first circuit is SMPS based, the second design uses a capacitive power supply, while the remaining concepts show how to used a DC source to illuminate a 1 watt LED. Warning: Many of the circuits I […]

Filed Under: Lamps and Lights Tagged With: Circuits, Driver, Easy, LED, Watt

Recovering Electrical Energy from Alternator and Battery

Last Updated on January 21, 2026 by Swagatam 38 Comments

bifilarcoilcircuit

A request was sent to me by one of the readers Mr. Edward Pizzo, regarding solving a circuit issue. The idea refers to a very interesting concept of acquiring free energy through a mechanism which once initiated keeps running  in quite a perpetual fashion. Using an Alternator and two Batteries A charged battery #1 is used initially for […]

Filed Under: Energy from Magnets Tagged With: Alternator, Battery, Energy, Free

How to Design Your Own Inverter Transformer

Last Updated on December 10, 2024 by Swagatam 426 Comments

transformer inverter

Designing an inverter transformer can be a complex affair. However, using the various formulas and by taking the help of one practical example shown here, the operations involved finally become very easy. The present article explains through a practical example the process of applying the various formulas for making an inverter transformer.The various formulas required […]

Filed Under: Inverter Circuits Tagged With: Design, Inverter, Transformer

How to Build a 400 Watt High Power Inverter Circuit

Last Updated on October 20, 2020 by Swagatam 95 Comments

Interested to make your own power inverter with built in charger? A simple 400 watt inverter circuit with charger that can be very easily built and optimized has been provided in this article. Read the complete discussion through neat illustrations. Introduction A massive 400 watts power inverter with built in charger circuit has been thoroughly […]

Filed Under: Inverter Circuits Tagged With: 400, Build, High, Inverter, Power, Watt

2 Simple Infrared (IR) Remote Control Circuits

Last Updated on January 19, 2025 by Swagatam 157 Comments

The proposed infrared or IR remote control circuit can be used to operate an appliance ON/OFF through any standard TV remote control handset. In this write up I have explained a couple of these simple infrared remote control circuits designed for controlling any given electrical appliance through an ordinary or TV remote control unit. Introduction […]

Filed Under: Remote Control Circuits Tagged With: Circuits, Control, Infrared, IR, Remote, Simple

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