In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: Oops, Ol' bean multipled instead of divided. 75000 pps or 21 pps... I was close... Your right about 21 pulses per second. That can easily be handled without missing any by using a period interrupt. For example "INTERRUPT 100" will run the interrupt routine 100 times a second. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=147629#m147659 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)