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Re: [Discuss-gnuradio] discussion on USRP-->Wall Socket for Power Line C

From: Evan Merewether
Subject: Re: [Discuss-gnuradio] discussion on USRP-->Wall Socket for Power Line Comms
Date: Thu, 23 Feb 2012 13:40:35 -0700

The problem with many of these types of appliances is that they include MODEM functions inside the module.  For use with a USRP, you will need to dissect them to get to the physical interface to the powerline.


From: address@hidden [mailto:address@hidden On Behalf Of address@hidden
Sent: Thursday, February 23, 2012 10:31 AM
To: address@hidden
Subject: Re: [Discuss-gnuradio] discussion on USRP-->Wall Socket for Power Line Comms


Oooh, yeah.  I forgot about X10!


I once used an X10 control system to turn a stirrer on and off under program control for an electrochemical cell I was running for a month.  Long story, unrelated to Gnu Radio :-)



On Thu, 23 Feb 2012 08:59:06 -0800, Hugh and Irene Pett wrote:

Hi George,
  The problem of connecting electronics cheaply to house wiring was implemented maybe 20 years ago in the X10 system, in which simple controllers would turn lights etc. on and off.  There are inexpensive computer interfaces as well.  Here is just one example of the sort of device that could probably easily be hacked apart to expose the line connection alone: 

  There are hundreds of these devices available, at prices from $10-$200.  But they all send or receive signals over AC wiring.


Hugh Pett

On 23/02/2012 6:46 AM, George Nychis wrote:


Maybe something a little more accessible from MAXIM:


They have an evaluation kit which might have some testpoints to
connect up to a USRP, or try to ship off samples through their 10/100
ethernet interface.

Thanks, Brian!

I will poke around the max series evaluation kits to see if there is something there that could work out at a reasonable price.

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