In SX Microcontrollers, SX/B Compiler and SX-Key Tool, VelocitąPaola wrote: If the COUNT command returns zero, then tell your program to disregard any further calculations that rely on RPM. A result of zero can only mean that the wire is disconnected or the car is off. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=274144#m274398 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)