Path: utzoo!attcan!uunet!pilchuck!ssc!markz From: markz@ssc.UUCP (Mark Zenier) Newsgroups: sci.electronics Subject: Re: X-10, GE Homeminder Tech info needed Message-ID: <580@ssc.UUCP> Date: 1 Dec 90 20:17:31 GMT References: <1733.2755C118@ofa123.fidonet.org> Organization: SSC, Inc., Seattle, WA Lines: 18 In article <1733.2755C118@ofa123.fidonet.org>, rick@ofa123.fidonet.org (Rick Ellis) writes: | On Walt Hoffman writes: | | WH> Is the any documentation available on the BSR/X-10 interface that I could | WH> use to understand how the Homeminder is sending out the codes on the AC | WH> line? I have my own ideas but if it is available somewhere I could sure | WH> use the help. | | The X-10 coding scheme involves sending a carrier burst (about 35khz, I've | forgotten the exact number) or not sending a carrier burst at the zero | crossing of the 60hz line voltage. 120 KHz, and there are pulses for each of the 3 possible phases, 120 degrees apart. See Circuit Cellar Ink #2, May/June 1988 Markz@ssc.uucp Brought to you by Super Global Mega Corp .com