Hello welcome to my second instructable!!! Today I'm going to show you how to build a very simple joule thief flashlight. If you haven't seen my other instructable, check it out for an easier way to power this than I'm going to show you. My goal is to build a joule thief with salvaged parts, and h...
By: l33tn00b
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from Instructables: exploring - technology http://ift.tt/1shVjAJ
By: l33tn00b
Continue Reading »
from Instructables: exploring - technology http://ift.tt/1shVjAJ
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