Setting up the MQTT broker to see MQTT-messages

Instructions

In general, there are two options. Option 1 is for quick fixes when working with Node-RED flows and Option 2 is more sophisticated.

Option 1: in Node-RED

…the thing with the debugger-node and the debugging-window.

Option 2: using MQTT Explorer

In this article we shortly explain how you can set up all machines and servers through the MQTT-Explorer. This is mandatory to monitor MQTT-messages and troubleshoot if somehow data does not find its way to grafana.

1. Install MQTT Explorer
2. Open it and add a new connection

1. Give it a name and enter the IP address of the MQTT broker (usually the IP of the edge device)

1. Go to Advanced

1. Remove the topic with #

1. Create a new topic with ia/#

1. Press back and SAVE. then connect.