In this post I have explained the method of incorporating high watt LEDs with Arduino through external high voltage supplies. The question was put forth by Mr. Cole. The Circuit Question I stumbled upon your blog and I love it! So much great information and great ideas Right now I am trying to figure out […]
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Capacitor Based LED Tubelight Using 1 Watt LEDs
In this post I have explained the construction of a homemade 100 watt capacitive tubelight circuit using 1 watt LEDs. The idea was requested, constructed, tested and verified by one the avid readers of this blog Mr. Tamam. Let’s go through the entire discussion. Discussing the Proposed The Design I regularly visit your blog, and […]
Mains 20 Watt Electronic Ballast Circuit
In this post I have explained a simple 20 watt fluorescent ballast circuit using a single chip FAN7711 from Fairchild semiconductor. The proposed mains 220V operated, 20 watt fluorescent ballast circuit is built around an LCC resonant tank and a half-bridge network. Implementing Zero Voltage Switching The main features and operations may be understood with […]
Simplest 100 Watt LED Bulb Circuit
In this article I have explained a very simple 100 watt LED bulb circuit using a few high voltage capacitors. The entire circuit could be built at a cost less than $25. I have already discussed many capacitive type of transformerless power supply circuits in this blog, however all these suffers from a couple of […]
1.5 watt Transmitter Circuit Diagram
This little transmitter will allow you to communicate, chat, send music transmission on any standard FM Radio tuned within the existing band, across a radial distance of not less than 500 meters or half a kilometers. Warning: Using this transmitter could be illegal in your country or area, take appropriate permissions before indulging. How it […]
SMPS 50 watt LED Street Light Driver Circuit
The post presents an SMPS based LED street lamp driver circuit which can be used for driving any LED lamp design right from 10 watts to 50 watts plus. Using the IC L6565 The proposed 50 watt (and higher) LED street light driver circuit uses the IC L6565 as the main control device, which is […]