Friday, August 9, 2013

Charge Your Phone Without its Charger

When you forget you charger,you can use this dynamo charger to charge the phone with your hand.I convert the dynomo led flaslight into charger just adding bridge rectifier,capacitor and usb female plug.
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1 comment:

  1. Can I ask what are the the spec of the rectifier? And alsot the capacitor used