In SX Microcontrollers, SX/B Compiler and SX-Key Tool, JonnyMac wrote: What is the resistor value you have between your IR LED and the SX pin? You should calculate the value to drive at 20 mA -- safe for the pin and LED, especially since it is being modulated. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=283893#m283906 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)