Sensors

Pair a Bluetooth thermometer and HeatSync can feed its reading to the heat pump as the room temperature. Supports Xiaomi LYWSD03MMC (ATC1441 or BTHome v2 firmware), Govee H5075, and any other BTHome v2 broadcaster.

Paired no fresh readings

Nearby —

Wave the sensor near the ATOM — RSSI should jump so you know which one it is.

Listening for broadcasts…

The scanner runs in the background. Sensors broadcast continuously, so there's no pairing handshake — pairing here just means "remember and trust this MAC".