Some units have a 5V UART port that's easy to connect to HomeAssistant and has t... | Hacker News

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		e44858 11 months ago \| parent \| context \| favorite \| on: Air Con: $1697 for an on/off switch Some units have a 5V UART port that's easy to connect to HomeAssistant and has two-way communication: https://static.xtremeownage.com/blog/2023/pioneer-mini-split...

ryankshaw 11 months ago [–]

I did something very similar with my Pioneer minisplit. but i used this esp module you can just buy. Super simple and cheap:

https://smartlight.me/smart-home-devices/wifi-devices/wifi-d...

https://www.youtube.com/watch?v=f6GEfzVhwCE

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