1. Install MQTT Broker Addon

In Home Assistant -> Settings -> Add-ons -> ADD-ON STORE, install EMQX addon or Mosquitto broker addon and make it running. Here we use EMQX as an example:

2. Setup MQTT

In Home Assistant -> Settings -> Devices & services -> Intergrations -> ADD INTERGRATION, search MQTT then setup MQTT.

These information will be used in Addon Configuration later.

If the Addon has not been configured, Sensors part will be empty.