In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Coriolis wrote: From the information you have provided it is difficult to determine whether its because of your hardware setup or your software, can you post the code section pertaining to the count accumulation from the encoder, the updating of ports b and c and also the control signals to the 573. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=89898#m89900 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2005 (http://www.dotNetBB.com)