In SX Microcontrollers, SX/B Compiler and SX-Key Tool, _BPM_ wrote: Yea even the usb version dosen't prevent those nastly usb or serial ground loops. I had planned to turn the sx-key into optical. then from optical to usb serial ftdi. With the sx-key I can do this. But the sxusb version i cannot. (unless i was able to find a optical transmitter/receiver combo that is fast enough to pass the OSC1 and OSC2 data to and from the sx key. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=133688#m282086 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)