*Charge your phone while biking… *

This weekend's Maker Camp project: Pedal-powered phone charger http://goo.gl/b3QjI

This simple circuit takes higher-voltage alternating current (AC) from a retro-style bike headlight generator, converts it to direct current (DC), and steps it down to a safe voltage for charging your cell phone or other mobile device.

(Image: MAKE)

 

Read it in all its glory on Google+

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