In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Jon Williams wrote: That depends on the floor so you'd have to test; if the normal floor was fairly reflective and you could "see" it with a QTI, chances are that a significant change in elevation (i.e., a stair) could be detected and avoided. Give it a try! ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=99118#m99127 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)