moduleunknown
OpenTherm adapter board
OpenTherm adapter board. Canonical part page stub for MCU Atlas; expand with datasheet links and pitfalls before publish.
Projects Using OpenTherm adapter board1

Illustration
ESP32
Controls OpenTherm gas boilers from an ESP32 with PID/weather-compensated heating and full Home Assistant integration.
Intermediate·Cost varies·Code
3 parts listed
Where to Buy
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