I am not sure if this will apply to your particular product, but you
might want to do a search for CEBUS on the internet. The CEBUS is a
proposed standard for home automation that employs power line carrier as
one of the physical networks. It might be advantageous for you to be
compatible.

Octavio Nogueira wrote:
>
> >Hi
> >Me too, any info on the x10 theory and protocol would be helpful,
> >especially relating to lighting.  Not necessarily PIC based.
> >
> >
> >Thanks very much
> >
> >Tim Kerby
>
> To be true, I don't need X10 comunications, what I need is comunicate 2
> PICs via main eletrical wire.
> I was thinking in use 12KHz. What do you think?
>
> Regards,
>
> Octavio
> ======================================================
> Octavio Nogueira  - e-mail:   nogueira@mandic.com.br
> http://www.geocities.com/~oct_nogueira
> "ProPic" Production PIC Programmer Windows under US$20
> ======================================================