In this instructable i will show you how to build simple joule thief To power circuit you need 1,5 volt battery if you dont have clip for it you can solder wires directly to battery, but be carefull to not overheat it and before soldering you need to sand paper the surface You can take out a lit...By: ArduGeek
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from Instructables: exploring http://bit.ly/2HUAQPt
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