[Frank Herrmann] had an interesting idea to turn a geared DC motor into a servo motor ... motor driver’ interface pins hooked up to the motion controller upstream. The Arduino source for this ...

His test setup uses an Arduino to drive servo motors on the receiving end of the hardware. You can’t do everything with Xbee, but the sender is where this concept comes into play. [Stephen ...

An interesting Arduino project has been published to the Instructables website showing how an Arduino CNC shield and controller has been used to create an awesome 3 axis Arduino CNC plotter.