JAN13

High-power LED torch

Here you can see yet another Joule thief circuit. It is powered from a single 1.2V (1.5V) battery and it powers 4 high efficiency LEDs.

What is interesting about this circuit is that a coil which is necessary for Joule Thief is actually wound on a battery case!

ledtorch3
© qs

[ Source: qs ]


Jaka LED baterija na 1,5V Bookmark and Share Comments (0)


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