Saturday, April 24, 2010
6V dynamo across a diode bridge, a 1000 microfarad capacitor, and a 7805 voltage regulator. takes about 3 hours of riding to charge cell phone to full. Can be expanded upon to suit other needs.
http://www.youtube.com/watch?v=D2K0iwuP22o&hl=en
Labels: charger
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