Because servo drives use microprocessors, they are already positioned to perform ... power distribution to all motion controllers power and control wiring for the motion controller, the servo motor, ...
Usually, when you want a servo motor, you simply buy one already made. But if you need something unusual, you can turn any DC motor into a custom servo you can control just like [Dejan] did.
Servo control pulses can be generated ... clock signal with PortB used to drive the motors. Using find-and-replace to change the PORTB keywords to use a DEFINE variable should be easy enough ...