If you take a look at the numerous pet feeders on Hackster, you’ll find most use a cereal dispenser, which is the approach I’ve taken. There are other implementations where people have crafted their own dispensing system, but who can argue for $20 on Amazon. And it comes with two dispensers, so you can make one for each pet, or have a backup when you explode the first one.
My initial plan was to attach a motor hub to the dispenser handle and attach a motor to the hub. As I started working with the handle, I noticed it slides right out, and has a not that let me use a standard motor coupler instead. So I cut off the silver handle and did just that.
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