Using easily accessible parts, it is possible to build your own bicycle generator that will charge your cell phone! This instructable is an extension of this instructable made by our friends. Eventually, this bike will stand on its own in our student union, so our classmates can sustainably charge their phones off the grid!
The basic setup of the bike is as follows: the back wheel of the bike spins a DC motor via fan belt, the motor is connected to a charge controller, the charge controller charges a lead-acid battery, and the battery is then connected to an inverter. You can then plug your phone into the outlets of the inverter!
Basic Materials needed:
Bicycle Frame with Back Wheel
Wires, Screws, Wood, and a Metal Rod
NOTE: We added more to our bike to make it run better, but these are the bare minimum materials to get it up and running.