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Published on Mar 12, 2010
I built a fully automatic inexpensive sun tracker and got more power from my existing panels. It is sturdy enough to withstand strong winds even carrying heavy hi-watt arrays. Main parts were not new. Note: for those of you who already have the plans, please check my video on explanation on a homemade breadbord of how light sensors work. For detailed plans, visit https://www.box.com/s/wxvlzfo6ihque07... Versión en español en https://www.box.com/s/hhq1mvdh1dd9skr...