In SX Microcontrollers, SX/B Compiler and SX-Key Tool, edgellmh wrote: Here is a picture of the setup. I agree that a wiring error seems most likely. To try to deal with that I rewired the units with the units reversed from the previous try and in the same orientation as your picture. The button in my wiring is replaced by connecting two wires, one from RX pin 3 to a wire from Vdd. marshall ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=393125#m393539 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2009 (http://www.dotNetBB.com)