I need to read a tach presented as a stream of digital pulses.
I would prefer not to do this in software even though I could easily implement an interrupt. The pulse rate could be 2-300 hz and I’d prefer the cpu cycles to be focused more on the UI than on counting pulses.
Is there an input that could be used for this purpose? If not, I’ll take a look at building a counter chip into a module.
Thanks, Mark.