In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Peter Van der Zee wrote: Hi Steve; Well, it all depends on the wall wart. Some can be pretty droopy. So check it with a 'scope..... the Key will be upset if it does not see 5V for even a speck of time. But your problem could also be something else, though it is easy to rule out the possibility of power problems. Cheers, Peter (pjv) ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=259686#m259821 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)