In our last weekend powered by RadioShack project you'll create a simple load circuit housed inside a box of the speaker. This circuit will receive electricity from a generator of bicycle producing alternating current (AC). The charging circuit will initially correct and then regulate the output voltage to a steady stream of current DC 5V (DC). It is a load suitable for your mobile phone or any other mobile device that requires 5V DC.
The adaptaplug system will allow you to quickly swap the Jack of any device you want to charge, keeping the same circuit mounted to your bike frame. The circuit is capable of charging a battery or power a live system, as a boombox, pedal like a portable while you ride.
We call this project, the Pedal Power phone charger! Our is attached to a bicycle frame, but the generator can be attached to anything that receives the energy of rotation. If create you your own version of this project, or find another application for this, be sure to take pictures of your construction along the way and send us a story about your project.
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