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Lamps and Lights

2 Best Current Limiter Circuits Explained

Last Updated on January 19, 2025 by Swagatam 329 Comments

precisioncurrentlimiter

In this post I have explained 2 simple universal current controller circuits which can be used for safely operating any desired high watt LED. The universal high watt LED current limiter circuit explained here can be integrated with any crude DC supply source for getting an outstanding over current protection for the connected high watt […]

Filed Under: Lamps and Lights Tagged With: Best, Circuits, Current, Explained, Limiter

How to Connect 5mm LEDs to a 3.7V Li-Ion Cell

Last Updated on May 22, 2019 by Swagatam 57 Comments

connect 5mm leds to 3.7v li ion cell

In this article I have explained regarding how to connect and illuminate a few 5mm LEDs using a 3.7V Li-Ion cell, normally used in cell phones. I keep receiving requests from the readers who seem confused with the connection details of 5mm LEds with a 3.7V Li-ion cell. The requests inspired me to write this […]

Filed Under: Lamps and Lights Tagged With: 5mm, Cell, Connect, LEDs

Simple Solar Garden Light Circuit – With Automatic Cut Off

Last Updated on March 25, 2025 by Swagatam 336 Comments

A very simple automatic solar light system for illuminating your garden passages can be built using some LEDs, a rechargeable battery and a small solar panel. The system automatically switches ON the lamps at dusk and switches them OFF at dawn. Main features Although the following simple automatic solar LED garden light circuit looks simple, […]

Filed Under: Lamps and Lights, Solar Controller Circuits Tagged With: Automatic, Garden, Light, Simple, Solar

Converting a Dead CFL into an LED Tubelight

Last Updated on June 15, 2019 by Swagatam 31 Comments

cfloutputpins

You might have already read about this interesting idea in many different sites. It’s about converting a dead CFL into a sleek LED tube light circuit. In this post I have explained the procedures with more details. How many times did you throw away a dead or over used faulty CFL unit into the dust bin? Well, we do […]

Filed Under: Lamps and Lights Tagged With: CFL, Converting, Dead, LED, Tubelight

Make this 1000 watt LED Flood Light Circuit

Last Updated on December 31, 2018 by Swagatam 12 Comments

1000 watt led flood light circuit 1

In this article I have explained a simple 1000 watt LED flood light circuit which can be very easily made by even a layman. The circuit was requested by Mr.Mike, let’s know more about the request and the circuit details: Technical Specifications: Hi from Canada !! My name is Mike . thank you for your […]

Filed Under: Lamps and Lights Tagged With: 1000, Flood, LED, Light, Watt

Solving LDR Controlled LED Emergency Lamp Problem

Last Updated on January 2, 2024 by Swagatam 2 Comments

Simple emergency Lamp 2

The following post discusses the troubleshooting of an automatic LDR controlled emergency lamp circuit which was requested to me via email by one of the keen followers of this blog. I have explained about the issue and its solution. Technical Specifications Dear Sir, I am following you on your website and I thank you for your valuable […]

Filed Under: Lamps and Lights Tagged With: Controlled, Emergency, Lamp, LDR, LED, Solving

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