Plot mqtt json array data

[ebabeshko]

Or transform JSON via middleware as grant2 suggested in the other topic:

Show mqtt JSON messages in Grafana

So in my example, I was sending the entire JSON array (just as you posted). That is what shows up in the first Debug node. [image] The object that you want (in your example) is available_percent, which is msg.payload.fields.available_percent, so I put a Change node in there and set the msg.payload to be msg.payload.fields.available_percent: [image] Then it will pass that one object to the MQTT broker (circled in black). You could send other objects as well and regulate the frequency of h…