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9 Simple Solar Battery Charger Circuits

Last Updated on January 6, 2025 by Swagatam 512 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

Using Triacs for Controlling Inductive Loads

Last Updated on January 2, 2024 by Swagatam 60 Comments

simpletriacdiaccontrolcircuit

Here I have tried to investigate a few enhanced triac based phase controller circuits which can be recommended for controlling or operating inductive loads like transformers and AC motors much safely than earlier traditional triac based circuit dimmer circuits. Using Triacs for Controlling AC Loads A Triac is a semiconductor device used for switching AC […]

Filed Under: Motor Controller Tagged With: Controlling, Inductive, Loads, Triacs

How to Make an Incubator Timer Optimizer Circuit

Last Updated on January 2, 2024 by Swagatam 190 Comments

A timer circuit design which could be used for turning the position of the eggs in an incubator between predetermined intervals of time was requested to me by one of the keen readers of this blog, Mr. Eugene. The requested circuit has been exclusively designed by me and published here, Circuit Specifications Let’s hear the […]

Filed Under: Temperature Controllers Tagged With: Incubator, Optimizer, Timer

Designing Simple Power Supply Circuits

Last Updated on January 2, 2024 by Swagatam 164 Comments

power2Bsupply2Bcircuit2Busing2Bsingle2Bdiode

In this post I have explained how to design and build a simple power supply circuit right from the basic design to the reasonably sophisticated power supply having extended features. Power Supply is Indispensable Whether it’s an electronic noob or an expert engineer, all require this indispensable piece of equipment called the power supply unit. This is because no electronics […]

Filed Under: Power Supply Circuits Tagged With: Circuits, Designing, Power, Simple, Supply

6 Useful DC Cell phone Charger Circuits Explained

Last Updated on December 26, 2020 by Swagatam 299 Comments

DCcellphonechargercircuit

A DC cell phone or mobile phone charger is a device which charges a cellphone from an available DC supply source. The device converts the unregulated DC source into a constant current and constant voltage output which becomes safe for any mobile phone charging. In this article I have explained how to build DC to […]

Filed Under: Battery Charger Circuits Tagged With: Cell, Charger, Circuits, DC, Phone, Useful

How to Get Free Energy from Alternator and Battery

Last Updated on June 15, 2019 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: Free Energy Tagged With: Alternator, Battery, Energy, Free

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