esp32_ble_tracker:
  id: ble_tracker_hub

sensor:
  # Explicit ble_hub_id: pins the neutral binding as a declared key.
  - platform: atc_mithermometer
    ble_hub_id: ble_tracker_hub
    mac_address: A4:C1:38:4E:16:78
    temperature:
      name: ATC Temperature
    humidity:
      name: ATC Humidity
    battery_level:
      name: ATC Battery-Level
    battery_voltage:
      name: ATC Battery-Voltage