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However, I just switched to digital servos, and am not having the same luck. The pulses are just all over the place, and don't correspond at all to when the motor is moving, no matter how much load is on the motor. Thoughts?
Ideally I would like operating current vs. time, so I can infer torque vs. time during a certain task
Strangely, servos can draw less power as static torque on it increases. Then when you reach some tipping point, some tiny increase, the current shoots up (or down) dramatically.
It definitely has something to do with the internal control system inside the servo.