Button Torch. Start Up Project 12


2AProbably, this may be the smallest 1 Watt LED Torch working on a Watch battery. It is the “Micro Joule Thief circuit” that is made as compact as possible. It rests on a heat sink of the 1 watt LED and powered by a 1.5V Button Cell. We can make different types of Joule Thief circuits and this experimentation is to make it as small as possible. Try it.
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