Quote Originally Posted by Archangel View Post
That's funny. I just ordered 2 pic18f4431 s on Thursday for this specific purpose. I found even using asm interrupts the 16f690 too slow to track the encoder without losing steps, (either that or it was switch bounce). So I figure to use a PIC with QEI Hardware inputs and a 40mhz clock. Failing that I will try using flip flops to buffer the inputs. In any event there is plenty to learn.
Now off to Costco for a box of Corn Nuts, and 3 pounds of coffee . . .
Edit:

Or you can use a lookup table and display channels or frequency.
Do you have an old Knight Kit radio as well?
Display channels or frequency? This sounds great. How would I do that?
My displays are only 3 digits.