Gauge Graph A gauge chart, also called dial/speedometer chart, shows the data you are plotting with a needle as a reading on a dial. It is very useful for showing data with a known fixed category ranges

I had typed the gauge Graph exactly as shown in the gauge Graph tutorial but I am getting an error that their is a plotChart function problem and the variable i.e. ‘light_data’ is undefined. And also no output on the graph is visible.

Hi @durgasuprika2299,

Variable name is light name in the configuration but you have used passed light_data in the plotChart function.

It should be


Do let me know in case you need any other information.

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tq bro i have completed that with ur help!!

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