In SX Microcontrollers, SX/B Compiler and SX-Key Tool, javalin wrote: Hi Gunther, I did think of an IO expander/LED driver - but part of the fun (challenge?) of the project is to be able code the LED driver and brightness control (PWM) Actually the more I think about it - the more I want to add - temp sensor, LDR to enable brightness control etc.... So the SX28 would be a few pins short! Thanks for the input thou! James ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=377097#m377244 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)