From: Genesys - Ing. en Sistemas <genesys@CIUDAD.COM.AR>
To: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
Date: Thursday, June 03, 1999 11:15 AM
Subject: x-10 and pic. Off-topic


>I can see x-10 is a propietary protocol for comunication using power
>lines.Yhere is another option?

Option for what, communication over power lines?

The original X10 patent expired in Dec. '97, X10
is now an open standard.

A few details:
X10 uses a 1ms 120kHz burst at the zero crossing point
of the 50/60Hz line voltage.  Basic message is 13 bits,
to messages are used to turn on or off a device.  Extended
packets can contain up to 20 bits, and contain custom
data for your devices.

DK