Is it possible to create a plugin in which a formula is applied to data? I mean I have raw data coming from the sensor and I want the chart displaying converted value, let's say:
where, X is raw data sent from sensor and Y is converted data that I want to display
I did something similar with https://thingspeak.com/plugins/3339. In my case to convert steadily-rising counter values into a rate according to the formula (this_count-last_count)/(this_time-last_time)
Hopefully you can 'view page source' to get the code. Thingspeak doesnt have a lot of support for sharing details of public plugins.
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