This article was updated April 11, 2023. It was originally published March 1, 2000. To help engineers and design teams get all the performance possible from servo systems, here are some of the more ...

Closed-loop stepper motors may be the best choice for tasks typically done by servos because traditional steppers couldn’t handle them. One of the more critical decisions engineers can make when ...

[Frank Herrmann] had an interesting idea to turn a geared DC motor into a servo motor assembly, but with a stepper motor-like interface. By stacking some small PCBs behind the motor body, it was ...