home automation question

[Itay Donenhirsch]

hi
if you already mentioned avr and would like to build things yourself then
you can definitively build it yourself, see
tuxgraphics.org/electronics/200606/article06061.shtml (you'll need an
enc28j60 as well).

you can buy avrs through ebay/digikey/mouser or in israel either arihav or
some stores in shdreot bnei zion, ta.

<http://tuxgraphics.org/electronics/200606/article06061.shtml>a question
though - why ethernet of all things? why not lay an rs-232 cable (avrs got
internal uart for that) + max232 for the voltages and be done with it?

itay


2010/4/21 Erez D <erez0001 at gmail.com>

> hi guys.
>
> i have a warehouse. it has two connections to the buildings - power and
> ethernet.
>
> i want to control the warehouse external lights from the house.
>
> I thought of buying an X10 light switch, but it seems that each consts
> around 50$, which is expensive
> so my other option is a computer i can control (prefferably a linux box,
> somthing like nslu2).
>
> so:
> 1. anybody knows of a cheap place to buy X10 stuff (or somthing similiar) ?
> 2. what is the cheepest "computer" (doesn't have to be a full computer, an
> avr with ethernet and gpio will do) ?
>
> thanks.
> erez.
>
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