In SX Microcontrollers, SX/B Compiler and SX-Key Tool, johncouture wrote: Thanks Jon, Well since I posted that message I have been plugging away at it and I got it to work. It still has difficulty with more than two units from the same family but at least if you need to derive the serial numbers of an AAG Weather Instrument, it works. Now on to reading the instrument! ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=268404#m268420 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2008 (http://www.dotNetBB.com)