Today's quest I receive temperature values. 30 - 75 (example) I want to display that with a RGB LED. Say 30 - 36 --> blue. Green starts to creep in then. 36 - 40 --> Blue fades out and becomes green. Towards the 40, red starts to come in. 40 - 75 --> Green fades out and it becomes only red. …

Here is an adaption of that code. As you didnt specify how you want RGB to be represented, I just spit out a whole bunch of different values (r,g,b,val,hex) in the payload object. Ignore the pink image nodes at the bottom - they are to demonstrate it working. [Oyu8DFZp4Z] [{"id":"e17b05ed.383be…

Steve-Mcl 26 September 2020 08:05 6

Andrew, have a look at this post. In the colourise function is some code you can adapt to generate a heat colour.

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"Colour mapping" - help needed to create RGB value

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