Hi. There have been a number of different threads on the PIClist during the last 6 month about rotary encoders. Check what the archives tells you. Check the encoders, check the archives and then, if you're stuck, ask here. I did an implementation (400Hz polled using a timer) on a 18F-series PIC, and it works like a charm... Jan-Erik. Colin Constant wrote: > I've just ordered one of those A & B channel mechanical rotary encoders, > just because I figure it will fit well with a PIC. Of course, I have no > idea how to wire this thing up. Can anyone offer any pointers? -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics