In SX Microcontrollers, SX/B Compiler and SX-Key Tool, uptonryan wrote: I think it is a power issue or clock issue. It works when connected via SX-Key to usb to computer but as soon as the usb connection is broken it stops. It could be that the removal of the usb cable drops the power supply to the SX Tech Tool Kit and so affects the shape of the bnits goping across to the pololu chip somehow. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=342774#m343827 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2009 (http://www.dotNetBB.com)