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I want to make a device to send and receive data using the main power line, and I want it to be compatible with the X10 protocol, but i have no resource on the circuit and I don't know how to inject the data to the main or receive it.

I know about the protocol and the theory, but I have nothing practical to begin with, so any circuit schematic or basic how to will be of great help for me to get a kick start.

I am planning to make a device around AVR micro controllers that can send and receive data over power line with the X10 protocol.

What I would like to know about at this point is how I can inject my data to the main line.

Edit: creating a 120kHz is easy, but transferring/inducting/injecting it to the main line is the problem. I don't know how to do it. what is the right way to do it? I thinks it's called coupling but there are many kinds of coupling and i don't know which one to use.

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  • \$\begingroup\$ why the down vote? \$\endgroup\$ Jan 17 '13 at 19:02
  • \$\begingroup\$ Have you looked for techniques that are used? \$\endgroup\$ Jan 17 '13 at 19:02
  • \$\begingroup\$ I cant find any resource I told you, there are plenty of theoretical stuff but none of them actually tells you how to do it. I would love to find some! can you show me some? \$\endgroup\$ Jan 17 '13 at 19:04
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    \$\begingroup\$ @FarzadBekran Have you seen the many questions listed as related to this? 1 2 3 4 \$\endgroup\$
    – Kortuk
    Jan 17 '13 at 19:15
  • \$\begingroup\$ This question is too broad. Injecting your data on the power line involves the whole of electrical engineering. What part is giving you trouble? \$\endgroup\$
    – Phil Frost
    Jan 17 '13 at 19:28
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Here, let me Google that for you... Doing a simple search for "X10 circuit" brought up about 3.5 million hits. One of the first ones is this application note from Microchip on X10 interfacing. Enjoy.

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  • \$\begingroup\$ lol I totally love this: You don't have permission to access "http://ww1.microchip.com/downloads/en/appnotes/00236a.pdf" on this server. Reference #18.7d3ff5cc.1358451338.ce6bcf88 \$\endgroup\$ Jan 17 '13 at 19:36
  • \$\begingroup\$ @FarzadBekran works for me. Company / national firewall? \$\endgroup\$
    – Phil Frost
    Jan 17 '13 at 19:41
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    \$\begingroup\$ Living in Iran has it's consequences ;) \$\endgroup\$ Jan 17 '13 at 19:43
  • \$\begingroup\$ @FarzadBekran Just use the quickview from google. This usually bypasses the firewall. Under the link name look for the word cached or quickview and it will open it through google. \$\endgroup\$ Jan 17 '13 at 20:13
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    \$\begingroup\$ docs.google.com/file/d/0BzQy7VqoEbCraTd3YVZzcFBVaTg/edit donwload it from here if you can't see it \$\endgroup\$
    – Andres
    Jan 17 '13 at 21:19

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