An old toolbox? an old pc speaker? an unused 12 volts battery?You can make a radio (with usb + sd card reader) + usb charger + emergency light (or diary use? why not?) + energy bank.Sorry for my english, I try but, is difficult What do you need -An old toolbox o plastic box (used)-Old pc speaker ...By: chaparro78
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from Instructables: exploring - technology - robots http://ift.tt/1xX5j21
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