AVR-Chat

why SPI? you need at least 4 wires for that and it won't work 
right!!! use CAN instead

--- In AVR-Chat@yahoogroups.com, James Washer <washer@t...> wrote:
> A friend and I are working on a system that will need a 
few "remote" devices (ADC, Temp sensors, etc) and are trying to 
determine just how long a wire/bus we can use with SPI. Is 20 feet 
reasonable?
> 
>  - jim