In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Sparks-R-Fun wrote: DosManDan, Assuming that Vss (which you did not mention) is shared as a common connection between the PDB, the SX-Key and the rest of your 3V SX circuitry it sounds to me like all is good. I consider the fact that it is working (and I know of no reason why it should not) to be a good sign! I see no reason to stop. - Sparks ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=181427#m181726 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)