I just did a project which involved quad. decode. If you want some asm code mail me off-list. If you only want to detect which direction the encoder rotates it might be slightly overkill :-) /PJ > On Thu, 2002-01-24 at 14:00, Tal Bejerano - AMC wrote: > Does anyone know how to "translate" this encoder? I want to recognize when > it's turning right or left. > I have no idea how to do it...any ideas? > Tal -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.