daikin-altherma-esp32

After flashing
  1. First install or Clean flash: join daikin-altherma-esp32-setup; the captive portal opens by itself, or visit 192.168.4.1. Flash keeps the saved WiFi.
  2. Open http://daikin-altherma-esp32.local. The heat-pump model is detected automatically; MQTT, syslog and NTP are under the gear → Connections.
  3. Wire the board to the X10A service port with the breaker off — wiring · docs.