Opentherm settings for ANY boiler using ARDUINO
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You may all find this interesting - have a look at the modules - apparently the whole setup is about $3
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Good luck with the $3.
It's an interesting HASS integration.
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im quoting the dutch guy - what would I know? I cut up bodies for a living 🤣
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It's not a great audience for this here, as they are mostly not that kind of geek.
You could get an ESP8266 or the ESP32 for a few quid. But you seem to then need an interface board to speak to the EMS bus. Then you'd need a server to run HAAS or whatever to make use of the thing.
If you already had the HASS running on a Pi at home, you could do the rest for 30-50£/$/Euro.
Most people that use it probably just piggyback their current control system, from what I've seen.
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