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RazorConcepts Joule Thief copy
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RazorConcepts Joule Thief copy
by Warhawk.
2
layer board of
0.80x0.50
inches
(20.37x12.70
mm).
Shared on
March 5th, 2014 00:35.
http://www.instructables.com/id/Joule-Thief-use-LEDs-with-only-one-AA-battery/