In SX Microcontrollers, SX/B Compiler and SX-Key Tool, mgreen wrote: How about generating tones? If you use a counter for a delay and a simple HIGH/LOW for a pin feeding a piezo-speaker and show them the amount of delay it takes between pulses to maintain an audible tone, that might do. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=148938#m148943 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)