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self-cleaning litter box?
(lemmy.d.thewooskeys.com)
Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io
I wouldn't look at HA first for this kind of thing. Asking a cat group would be more effective unless you're looking to add smarts to a dumb litter box.
HA related the Litter Robot does have an integration for the wifi enabled ones and it will report state and error codes.