Can anyone help?
I have got Node-Red connected to Cayenne and can see the temperature values being updated in a Value widget on Channel 1 via MQTT.
However, if I rather send the same data to a Chart Widget on Channel 2 say, the graph is not updated and just displays “No data available for this period”.
I am using the following:
What am I missing?
Is there a different data format required for chart data?