In SX Microcontrollers, SX/B Compiler and SX-Key Tool, crgwbr wrote: I did think about the line driver version, but I was unable to figure out what a line driver was. The NPN open collecter sounded simpler, so I ordered it already. The pull-up circuitry isn't a big deal. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=147629#m147719 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)