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List:       tini
Subject:    Data over AC power lines (Was: Re: [TINI] RF modules...)
From:       Brett Hackleman <brhackle () eos ! ncsu ! edu>
Date:       2000-01-26 15:56:16
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Does anyone have any information on modules or circuits that allow
transfer of data over existing AC power lines?  I am aware of several
devices that provide a telephone-extension or psuedo 10baseT network
over these lines, but these are a bit overkill for my application (and
expensive).  And X10 is a bit slow (and unrelible).

All I need is RS-232 type behavior, no faster than 9600bps.

TIA,

Brett



"Horner, Grahame (NESL)" wrote:
> 
> Why not utilise the mains supply as your network cabling, I've seen this
> done with PC networks, the devices seem to be quite compact (size of a match
> box), but can't remember the name of the device or manufacturer.
> 
> I'm not a hardware persons, so forgive me if this is not possible with the
> tini or is just to complex or big for a (tini) tiny solution.
> 
> -----Original Message-----
> >From: chris@packman.cix.co.uk [mailto:chris@packman.cix.co.uk]
> Sent: 26 January 2000 15:19
> To: tini@ibutton.com
> Cc: chris@packman.cix.co.uk
> Subject: Re: [TINI] RF modules...
> 
> > The TINI was not designed to have a particularly low power
> > consumption.  Bluetooth implies portability.
> 
> I'm trying to do a bit of lateral thinking. Bluetooth is certainly being
> pushed for portability, but why shouldn't it also be used for cheap low
> range low bandwidth wireless networking?
> 
> For example, I could run a 1-wire loop round my house, but retro-fitting
> cabling into a fully decorated house can be expensive and messy. A
> Bluetooth Tini would mean that I could have a Tini Piconet in my house
> linking all the diverse Tini enabled devices together without any extra
> cabling. I suspect that like most houses, I already have plenty of mains
> sockets to provide power for Tini devices.
> 
> I know that you can get main-borne LAN units and even RF LANs, but
> compared to the estimated $5-10 volume pricing of Bluetooth these all
> appear to be considerably more expensive.
> 
> Chris
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