In SX Microcontrollers, SX/B Compiler and SX-Key Tool, metron9 wrote: With no delay after turning it on, and a delay turning it off you are blinking the LED on for one clock cycle and off for 3 clock cycles, you have a 25% duty cycle, the LED is only on for 20 nanoseconds. Better put in two delays, one to hold it on and one to hold it off. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=152837#m152844 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)