Looking for a simple 12 V LED string light flasher circuit for your next Christmas decoration project? Learn how easy it is to build a LED wig wag string light flasher using just a couple of transistors and few other passive components. LED Flashing String Lights for Decorating Homes A LED flasher schematic has also […]
Newly Updated Circuit Projects:
Infrared (IR) LED Flood Light Circuit
An infrared flood light is a circuit that creates an illumination over a wide range of area using infrared frequency. This infrared illuminated area can be perfectly visualized through specialized infrared gasses and IR cameras, but can be totally invisible to naked eye. In this post we study a simple infra red based flood light […]
How to Make a Simple 12 Volt LED Lantern Circuit
In this post I have explained how to build a simple 12V LED lantern circuit which may be used at night while travelling and outings such as in picnics, trekking, or camping etc. Introduction So far we have discussed white LEDs comprehensively through many of my earlier articles and have learned how efficient these lights […]
Make this LED Driver Circuit for Backlighting Small LCD Screens
In this post we study a LED driver circuit specially designed for backlighting LCD screens applications, Introductionlet’ learn more about this interesting device. Introduction Today LCD products have become very common and a part of our everyday life. Whether it’s your cell phone, DVD player, TV set, car, all incorporate LCD screens for indicating or […]
Simple PIR LED Lamp Circuit
The following PIR LED lamp circuit was designed by me for one of the followers of this blog Mr.Deepak upon his request. The circuit is a LED driver which responds to ambient light as well as to the presence of a human, person or intruder, and varies its illumination accordingly, let’s know more. Technical Specifications “I was looking to […]
Making a 10/12 watt LED Lamp with 12 V Adapter
In this post I have explained the construction of a homemade 10 watt LED lamp using ready made 12 V SMPS adapter. The project was successfully built by Mr. Debabrata Mandal. In many of previous posts I have discussed the use of 1 watt white LEDs for making high efficiency LED lamps for implementing in […]





