In article <001101c02a48$63a14860$0200000a@paolone> you write:
>Does someone known some link's referring to send communication and =
>supply
>on the some two wires ?

Take a look at Dallas Semiconductors site to see how they do it on
their "one wire" (plus ground) products like the 18b20.
http://www.dalsemi.com/
--
Blars Blarson                                   blarson@blars.org
                                http://www.blars.org/blars.html
"Text is a way we cheat time." -- Patrick Nielsen Hayden

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