Mini 'Joule Thief'

by Mudbud in Circuits > Electronics

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Mini 'Joule Thief'

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Well, it isn't really 'mini' because the small toroids I wound didn't work :/ I used a 2n3904 Transistor since that was all I had.
I included a Lego guy comparison to size. Hope you like it!

http://rustybolt.info/wordpress/?p=499 <-- More info on the coil for making a joule thief