October 23, 2011
I have a common problem that I can’t seem to solve, my micro’s I/O line are too few, I have looked into serial shift registers but it seems to unclear to me and I get the feeling it over complicates the software for PWM. Is there any way that I can expand my I/O’s with an IC that does not have feedback, and needs a pulse to activate certain channels of that IC.(truth table) Something like a shift register but more simple to use and find.
I am planning on using a BS2 micro, I know its old but for some reason I like it.
Any information will be greatly appreciated