In SX Microcontrollers, SX/B Compiler and SX-Key Tool, PJ Allen wrote: With regard to the program as I wrote it, RA.3 should always be blinking or solid on (except during the very brief time that ANALOGIN is doing its thing.) That's your gut-check right there. Are you sure you have the LED polarities right? Upload your program so that we can all have at you. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=2&m=244365#m246024 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)