Auto food for pet
thingiverse
Use timer for start and stop moter. and have bearing for make more smoothly and reduce load Bearing 6000-zz https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313&_nkw=bearing+6000+zz&_sacat=0 Motor Gear GA12-N20 DC 3V/6V/12V https://www.ebay.com/itm/GA12-N20-DC-3V-6V-12V-Micro-Electric-Gear-Motor-Speed-Reduction-Metal-Gearbox/274426397949?hash=item3fe51684fd:g:Z64AAOSwTfhfC-Ix
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