If you’ve never used a servo before, it’s a small, low-power motor that will power your robot’s movement. This kit uses one in the base, two on either side of the arm, and one in the gripper.

That’s where the servo motor comes in. By adding a sensor and a controller to the mechanism, these motors can figure out how far they have rotated and maintain that setting without any need for ...

Stepper and servo motors have different attributes when considered for motion applications. Torque curves play an important role in selecting the proper size and type of motor for an application.