In SX Microcontrollers, SX/B Compiler and SX-Key Tool, cbmeeks wrote: Could you not make all RA.0 sending and all RA.1 receiving? That way you would only need two lines. Then just hook RA.0 to RA.1 on each system. Basically one line always sends and the other always receives. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=144523#m144590 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)