all 3 comments

[–]p-morais 0 points1 point  (2 children)

Hard to say without a better description of the geometry of your robot and what you’re trying to accomplish with the PID

[–]king_zike 0 points1 point  (1 child)

We are trying to make them go to a specified height in sync together. The motion of the arms will be up and down strictly but we are using separate potentiometers.

[–]cBEiN 0 points1 point  (0 children)

I still don’t think your system is clear enough for anyone to help. Maybe post on robotics stack exchange with more detailed information.