You’ll need one broker in your MQTT setup.
I think you need to tick the box “Also allow unsecure connections”, which means http
I’ve no usable knowledge about local secure https connections.
I have a tutorial here, but it"s in mainly Dutch.
But probably the screenshots will help, and Chrome browser can auto translate it ![:stuck_out_tongue: :stuck_out_tongue:](https://emoji.discourse-cdn.com/twitter/stuck_out_tongue.png?v=12)