In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Electronegativity wrote: My experience has been that the SX key stops working around 4.5 volts. Usually I get a few "Transmit stall on com 1" messages before the "SX key not found" ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=91868#m92164 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2005 (http://www.dotNetBB.com)