This will be a newbie question, so please bear with me... I have a MySQL database with a test schema in. I can read and write to it using node red. So far so good. [nodered] I gather that to get the information in to a chart I have to use the 'change' function. [image] MySQL Ar…

connect a change node to the output of the mysql node. in the change node select the j: expression option (the j: is for jsonata) click the three dots on the right of the tab and it will open up. paste in the code from Steve's example [{ "series": ["kW"], "labels": ["kW Used Today"], …

zenofmud Split this topic 27 October 2021 12:09 7

A post was split to a new topic: How to chart two series in one graph

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MySQL to dashboard chart - change function

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