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  1. Sunny Slope

    Mobile chicken coop

    There are lots of designs for "chicken tractors" or mobile coops out there. I built one about a year ago that has a couple of unique features that make it easy to work with. One is retractable wheels for easy moving, and the other is an automatic opening door to the roost/laying area for those...
  2. Sunny Slope

    A simple solar tracker powered by water weight

    I have two water wells on my property with 24 volt DC submersible pumps powered by photovoltaic panels. The pumps are hooked up PV direct; in other words there are no batteries in the circuit; the panels power the pumps directly. Both wells are very low producing, so to maximize output I need to...
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