（二 -4） 天猫精灵接入Home Assistant-自动发现Mqtt设备--传感器系列

https://www.home-assistant.io/blog/2015/10/11/measure-temperature-with-esp8266-and-report-to-mqtt/

最后一步是将传感器值集成到Home Assistant中。这可以通过设置Home Assistant以连接到MQTT代理并订阅传感器主题来完成。

mqtt:
  broker: YOUR_MQTT_SERVER_HOST
  username: your_username
  password: your_password

sensor:
  platform: mqtt
  name: "Temperature"
  state_topic: "sensor/temperature"
  qos: 0
  unit_of_measurement: "ºC"

sensor 2:
  platform: mqtt
  name: "Humidity"
  state_topic: "sensor/humidity"
  qos: 0
  unit_of_measurement: "%"