Graph example by vdeconinck · Pull Request #7299

Graph example by vdeconinck · Pull Request #7299 · esp8266/Arduino

Hello. As promised during refactoring of FSBrowser in #7182 , I created a new stand-alone Graph application, demonstrating the periodic HTTP call to the ESP to get GPIO, analog and heap values and display them as charts.
The result looks like this:

@devyte: Many many thanks for the help. I'll be glad to get your feedback on the code.

Very cool looking. One thing I'm noting on FF latest is that the lower 2 graphs (analogRead/freeHeap) have negative values on the Y axis, and should really go from 0....n

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Cool example! Very pretty and I can see it being useful to people.

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Nice example which would be quite useful !

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Two very minor things. Other than that, congratulations, this looks really good.

using esp8266::polledTimeout::periodicMs, reducing complexity)