make a usb charger with 9v or solar power for all your usb electronics
I got all the parts from RadioShack except for the box which you could also get at RadioShack
in a different size
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1 watt 6 volts solar panel from RadioShack
solder switch and usb port
solder 5 volt regulator in
DONE! PROP TO ANY ANGLE TO GET THE SUNS FULL FORCE
Participated in the
Green Tech Contest