How to make emergency dc charger at home



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Here I make a simple dc charger at home from simple materials You just need the following things: 1 voltage regulator 7805 2 USB female connector 3 9 volt battery 4 9 volt battery connector 5 5mm led 6 connecting wires 7 bottle caps

Published by: Creative Art Published at: 6 years ago Category: مردم و وبلاگ