In SX Microcontrollers, SX/B Compiler and SX-Key Tool, JonnyMac wrote: Sorry if these are redundant questions, but you might want to check... ... that you are using the SX-Key and not the SX-Blitz ... that you don't have any clock source connected to the SX ... that have the latest IDE (v3.2.3) and have restarted it I simply copied your program from the post and pasted it into the editor, save it, then ran it in Debug mode -- worked fine. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=180725#m180777 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)