In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Electronegativity wrote: Hi Steel. Under "board layout for programming the chip" you should add pinouts for Vss and Vdd. The SX key or SX blitz plug into a 4 pin header with OSC1, OSC2, Vss, and Vdd. Vdd had to be 5V before, but I think there is an adapter available now that will let you program 3V projects. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=120330#m120348 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2006 (http://www.dotNetBB.com)