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the solar cell is so weak,1v,so i use a joule thief to Increase the voltage。i also build a solarengine。Assembly them together！
Micro solar engineby BlondeJamesDean
Solarbotic Solar BEAM by banlanji
Solar Powered Miniball Wannabeby Solarbotics
Nano Photovore BEAM robotby BlondeJamesDean
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