In SX Microcontrollers, SX/B Compiler and SX-Key Tool, PJMonty wrote: Jerry, You don't say what language you are using on the PC, but in the settings to open the serial port, see if there is an option to open it in binary mode. It sounds like you're in ASCII mode and the language is doing some weird stuff with the values past 127. [list]Thanks, PeterM[/list] ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=135339#m135343 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)