PV SunTracker Bracket
grabcad
Two axis sun tracker Arduino controller, with gravity and compass sensors for best DNI.. Just fix two PV on the structure, set the latitude and longitude,set the UT clock and the minimum elevation angle to run all days to the sun. Accelerometers can also be used security system for sensing vibrations to flat the panels agains high speed winds... DIY project, it use only steel for structures,mast, shaft, ball bearings, hub, rack, gear and screws, 3D printing for plastic parts, two gear motors and one Arduino nano. ASAP open source software ... ;)
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