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DamonHDlast Tuesday at 8:16 PM1 replyview on HN

ATMega328p, 32768Hz xtal, in a smart radiator valve. See OpenTRV (for the open part of the s/w and h/w) and Radbot for the commercial product.


Replies

relaxinglast Wednesday at 4:08 PM

That's a cool product! I wish I could put something like that on my hydronic (hot water) radiators, but they don't have individual valves.