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 […]
Lamps and Lights
Simple Solar Garden Light Circuit – With Automatic Cut Off
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, […]
Converting a Dead CFL into an LED Tubelight
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 […]
Make this 1000 watt LED Flood Light Circuit
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 […]
Solving LDR Controlled LED Emergency Lamp Problem
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 […]
Automatic Door Lamp Timer Circuit
In this article I have explained a simple automatic door light timer circuit which activates every time the door is opened, and switches OFF after a predetermined time if the door is kept open for too long. The circuit was requested by one of the avid readers of this blog, Mr. Juan. I have explained more. Technical Specifications: I always find […]
