Draw "PID" curve with lv chart series

How-to
21

@Jonathan_Gonzaga Did you have any success on the suggestions? Would love to see how you achieved the result if that worked out.
Thanks

22

Hi @bmweller
Unfortunately I couldnā€™t reach my goal, the graphic isnā€™t exactly the way I want it, but itā€™s not bad.
This is the result of the project (code is in description): https://www.youtube.com/watch?v=ZlJbMAFaLPU

23

That looks pretty darn good to me, what do you see as being improved on?

24

I use cubic spline interpolation to draw lines,but it so bad,what needs to be modified?
image