On this subject: did anyone else hear about the nice idea of using powerlines
to connect ppl to the 'net?

News just broke here...

Richard wrote:

> I'm working on a simple serial control project and need some ideas please.
> My application requires that a master unit transmit and recieve from as
> many as 30 slave units.
> The messages are only a byte long and the master will pole all slaves. I
> need a way of powering and communicating with the slaves via a 3 pin mic
> lead.(sheilded twisted pair). I would also like to use the system on
> exsisting audio lines thus leaving only one wire for comms.(and a ground).
> The final problem is the comms need to be inaudible(out of the audio
> range.) Natsemi have a powerline modem chip whick will operate on a carrier
> up to 50 Khz however it needs the mains zero crossing for synchronising and
> im running dc. Any Ideas Huh?!!
>
> Cheers
> Richard Bond..
> richardb@mailbox.uq.edu.au



--
Eric van Es               | Cape Town, South Africa
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