In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: Depending on what value of resistor you are using for the pull-ups, you might want to try a slightly lower value. This will lower the rise-time of the signals. I don't know if that is what the problem is or not, but you can try it. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=97858#m97870 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)