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I am trying to build a project in which I want to transfer data through existing power outlets in a home through power lines while simultaneously using those outlets for power supply also. My question Is it possible? and if yes where and how can I explore more about this topic. something like this http://www.tp-link.com/en/products/details/?model=TL-PA4020PKIT

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    \$\begingroup\$ What kind of data? Why not just use existing ethernet-over-power like you point to in your question? \$\endgroup\$ – Majenko Nov 2 '14 at 15:29
  • \$\begingroup\$ I want to send just ON-OFF state data about the power outlet in a home where there is no ethernet available \$\endgroup\$ – user3668717 Nov 2 '14 at 15:46
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X-10 is a system developed nearly 40 years ago (1975) which is designed to send control information over the power line to turn devices on and off, etc. It consists of controllers (transmitters) and receivers. Being so old, you can find hundreds if not thousands of devices on eBay that you could hack. Of course you can also buy new ones too from many suppliers.

There is even a library for Arduino that allows it to send and receive X-10 commands.

And here is an application note showing how to do X-10 with a PIC16.

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  • \$\begingroup\$ Have you ever tried looking for "X10" on eBay? "1,004,885 results for X10" \$\endgroup\$ – Majenko Nov 2 '14 at 15:58
  • \$\begingroup\$ @Majenko-notGoogle Yes, but I figured most of those weren't valid hits so I reduced my expectation to thousands to be more realistic. And there would only be so many devices that would be suitable for the OP to modify (i.e. he probably doesn't want light sockets, or dimmer switches, etc.) \$\endgroup\$ – tcrosley Nov 2 '14 at 16:02
  • \$\begingroup\$ The problem is, searching for anything X10 results in finding everything where there is ten of them, or has 10mm/cm/m/in etc in one dimension... it's almost impossible to find what you want. eg, searching "x10 socket" gives you lots of bolts. 10,000+ results, and I got bored looking through them and found 1 actual X10 device. It's an impossible term to search for. \$\endgroup\$ – Majenko Nov 2 '14 at 16:09
  • \$\begingroup\$ @Majenko-notGoogle Did you try X-10 or "X-10"? \$\endgroup\$ – tcrosley Nov 2 '14 at 16:33
  • \$\begingroup\$ Yep. 10,976 bolts. The exact phrase ""X-10 socket" = ~800 bolts, 3 relays, and a few other bits if you trawl through. \$\endgroup\$ – Majenko Nov 2 '14 at 16:35

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