Quote Originally Posted by FatFreddie View Post
How about a hybrid system, keep the MPG for fine control but have a button that also injects pulses from a (variable frequency) 555 timer type circuit? Direction is set by the wheel and that is used for fine adjustments but for rapid traverse, the button is used.
Yes I'd considered this approach but rejected it as too easy lol, also doesn't truly meet Dean's original criteria.:)