At 12:28 PM 6/13/2003 -0400, you wrote: > That's something I was thinking of as well, I'm not sure how they > do it. >Perhaps there is some polling going on? Or maybe every device transmits at a >random time? Anybody here know how they manage to do it? TTYL If you've used one-wire devices- it doesn't have to be random if they all have a serial number. Best regards, Spehro Pefhany --"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.