Charging USB devices using your muscle power (Charger using DC motor)

Mobile phones / Tablets have become an integral part of our life. One big hustle which every mobile user faces is charging the device. Well if you have a power source like AC wall supply or batteries lying around then it is easy but what if you are stuck in a place where there is no power source, li...

By: Ganesh Selvaraj



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from Instructables: exploring - technology http://ift.tt/1xpQckO