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Hi, so i have a toggle switch with only two terminals instead of three. Will that still work? Or do i need one with three?
Take a look at this guide. The voltage is a little smaller, but the princible should still be the samehttp://www.instructables.com/id/Solar-Altoids-USB-Charger/
http://www.browndoggadgets.com/products/usb-chargi...It would be more like a wall adapter
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