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Control your air conditioner without Daikin’s cloud
Faikout replaces the Wi-Fi adapter with an ESP32 board connected to the indoor unit’s control port. Its local web page and MQTT connection expose temperature, operating mode, fan and supported extra settings, and integrate with Home Assistant, a home automation hub.
You need the matching cable and board for S21, X50A or CN_WIRED. Available sensors and controls depend on the indoor unit, and advanced automation can use a separate Bluetooth temperature sensor as the room reference.
How did it go? Tips, problems, questions…
Control your air conditioner without Daikin’s cloud
Faikout replaces the Wi-Fi adapter with an ESP32 board connected to the indoor unit’s control port. Its local web page and MQTT connection expose temperature, operating mode, fan and supported extra settings, and integrate with Home Assistant, a home automation hub.
You need the matching cable and board for S21, X50A or CN_WIRED. Available sensors and controls depend on the indoor unit, and advanced automation can use a separate Bluetooth temperature sensor as the room reference.
RevK
21 followers · joined Jan 2026
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How did it go? Tips, problems, questions…