Can someone please explain MQTT in HA

@Matt_Barnes wrote:

I am so confused.

There is this guide:

saying you can run your own broker and add the IP to the config.

There is an integration allowing you to add MQTT by specifying the Broker name (assume this is IP)

There is then mqtt discovery in the config, or auto discovery in the integration.

There is then the mqtt sensor.
There is also the “listen” option under MQTT in dev tools

Currently I have Mosquitto running on a synology nas.
I have the MQTT integration with the following settings:

broker: 192.168.1.124
port: i left as default 1883
username and password I left blank.

So, how do I now get information that is going to MQTT broker into HA now?

Sorry, I have tried but theres just too many mentions of MQTT and different methods. The end result is I would like to listen for MQTT data and make sensors from the topics.

Thanks!

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