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Newly Updated Circuit Projects:

9 Simple Solar Battery Charger Circuits

Last Updated on March 31, 2026 by Swagatam 542 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 June 30, 2026 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 1 A Constant Current LED Driver Circuit

Last Updated on June 1, 2026 by Swagatam 16 Comments

1amp led driver IC specs

In this article I have explained a simple 1 amp constant current LED driver circuit using the IC MBI6651 from MACROBLOCK. The IC has been specifically designed for operating high power LEDs safely by providing a constant current output. The circuit includes very few external components and therefore becomes very easy to assemble at home. […]

Filed Under: Lamps and Lights Tagged With: Constant, Current, Driver, LED

Simple Car Shock Alarm Circuit

Last Updated on May 16, 2026 by Swagatam 6 Comments

CARSHOCKALARMCIRCUIT

A simple car shock alarm circuit I have I have explained in this article can eb effectively used to alarm the owner each time the car comes across some kind of vibrational intrusion ether from a potential theft of simply a damaging hit from  an external source. Introduction Today most of the cars are equipped […]

Filed Under: Automobile Electronics, Security and Alarm Tagged With: Alarm, Shock, Simple

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

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