In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: Max, Your code looks pretty good, I think if you get the PC to recieve good data you'll have it made. Try just sending "A" once a second and get that working. Note that some PC's won't see 0V & 5V as serial data. You may need to use a transistor level-shift circuit or a MAX232 chip. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=158762#m158841 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2006 (http://www.dotNetBB.com)