In SX Microcontrollers, SX/B Compiler and SX-Key Tool, SteveW wrote: Ray - what (exactly) does your AC adapter claim to be? What's written on the panel where the specifcations and standards are written? (a photo of the panel would be ideal) (Note that yor 6V battery is likely to be slightly too low a voltage - the regulator will (has to, in fact) throw away a certain voltage in order to do its job, so it's poosible that, when running from the battery, your SX-key isn't getting the 5V it needs. While yiou're chasing all sorts of other problems, I'd strongly recommmend you make everything that _is_ under your control as good as possible, and supply voltage definitely counts...) Steve ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=2&m=101673#m102329 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)