Off Grid Automatic Solar Chicken Coop Door

making of a chicken door with day/night sensor

a "simple" way to protect your chickens from mice, foxes etc.
the door works with 12v.

ball bearings : 28mm out, 12mm inside diammeter
shaft : 12mm diammeter
small shafts : 3mm diammeter

*more details at youtube video: https://youtu.be/u7R_nlCb6gs

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