My city is under the mud, without electricity. All people need charge a phone or a usb lantern, light and communication is very important.Sorry for my english Materials -Converter 12 vdc to 5 vdc (2 usb port)-Voltage regulator 0-32 volts to 0-32 volts-Solar panel 10 watts-Wire-Glue Connect Is ...By: chaparro78
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from Instructables: exploring - technology - robots http://ift.tt/1akYC4M
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