In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Tinker wrote: Jon, question I almost forgot to ask. If I have noise floating far enough to get past the schmidt triggers on the input lines wouldnt it come right through an opto isolator too? ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=92048#m93987 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2005 (http://www.dotNetBB.com)