this post was submitted on 15 Aug 2026
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They totally can. We used to have a super low tech one. It was like an old cookie timer. You crank a wheel over to the number of hours you wanted (so it only worked over a day or so)and a spring inside just turned the crank back until a little hole lined up with a notch allowing the door to open. There were two bins inside one device, so two feedings. No batteries. No Internet.