Hi Jan Check at http://www.piclist.com/techref/microchip/qenc.htm There are several suggestions for decoding quadrature encoders. Dave >My project has a 16F74, reading the output of a rotary encoder (2 bit), see >below. -- 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