Question :
(a) How does a 2-key rollover differ from the N-key rollover?
(b) Why is isolation so important in interfacing?
(c) Explain what is software debouncing.
(d) What is a limit switch?
(e) Write a subroutine for the stepper motor below such that, when called will rotate the motor one revolution CCW. Assume 64 steps/revolution.