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Hello! I am using the slushengine model D, actually the the rbx1 robot arm.
First, I want to track the position of each part of the arm, so I decided to use potentiometer on each joint, but I don't know can those input pins read the analog values of potentiometers? if they can, what positive voltage should I add on them, 3.3, 5, or 12 V?
And, what are the pinouts of these IO pins? I didn't find information clearly showing each pin's function.
And I have a problem with the stepper motors (or maybe other mechanical parts). some segments work stably when they are going to one direction, but then, when they are moving backwards, the motion is no longer smooth, and they make some clatter noise. At the same time, these segments would rotates only a little bit, while they should moved a significant angle. I am not sure what is wrong with it.
Thank you! I am doing a school project, and I must finish it as soon as possible.