Hopefully this is an export of the temperature flows: [{"id":"3aea8e93.309a72","type":"mqtt in","z":"1763ab9b.39ab34","name":"Extruder Temp","topic":"octoprint/temperature/tool0","qos":"2","broker":"9ccc9e2b.1b109","x":160,"y":207,"wires":[["3ec16cec.0e06c4"]]},{"id":"83806805.370eb8","type":"mqtt ...

Hey, thanks for doing all the hard work for me! Took me a while but think I finally have this working. I wasn't really happy with the function parsing the payload as text when it was effectively a JSON string so I think doing this is better: var varPayload = JSON.parse(msg.payload); var vartemp ...