Most of these stories start with a cat standing on someone’s chest, begging for food at some obscene hour of the morning. But not this one. Chaz the cat is diabetic, and he needs to get his insulin with breakfast. The problem is that Chaz likes to eat overnight, which ruins his breakfast appetite and his chances at properly metabolizing the insulin. [Becky] tried putting the bowl away before bed, but let’s face it — it’s more fun to solve a problem once than to solve the same problem every night.
[Becky]’s solution was to design and print a bowl holder with a lid, and to cover the bowl when the cat diner is closed using a small servo and a NodeMCU. It looks good, and it gets the job done with few components. Chaz gets his insulin, [Becky] gets peace of mind, and everybody’s happy. This isn’t going to work for all cats, because security is pretty lax. But Chaz is a senior kitty and therefore disinterested in pawing at the lid to see what happens. Claw your way past the break to see [Becky]’s build/demo video featuring plenty of cat tax coverage.
We’ve seen a lot of cat feeding apparatus around here, but few that solve a specific problem like this one. If it’s overengineering and cat metrics you want, come and get it.
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