this post was submitted on 20 Jul 2026
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homeassistant

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Ever wanted to control a Keurig (K-Supreme, others may be possible with YOUR help! :D) via Home Assistant?

Well now ya can!!...if you solder in an ESP32 and run ESPHome on it to essentially turn it into a wireless UART bridge :)

Worked with Claude (sorry if that's not cool...feel free to ignore) to RE the J2 port on a K-Smart and a K-Supreme (had the K-Smart first before moving to a K-Supreme because I accidentally tore a PCB trace) and get the brewer to both send and receive useful information over ESPHome to Home Assistant!

Details here: https://github.com/gitman-101111/bye-keuri-ous

Enjoy!! :D

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[–] ikidd@lemmy.dbzer0.com 6 points 2 days ago (1 children)
[–] peskywarrior@lemmy.world 3 points 2 days ago (1 children)

Finally! Validation! Thank you!! XD