Pocket USB Emergency Charger

I been able to make a Pocket Emergency Charger compatible for smartphones and other USB compliant devices out of salvaging an electronic pcb from an old cd player.,Since the famous LM 7805 Linear Regulator i found was the main component used to built a charger.i have seen various instructable projec...

By: rodski



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