AVR-Chat

Leon wrote:
> 
> RS-485 is one way. You could also daisy-chain the slaves and use the
> UARTs, with each slave passing the message onto the next. You will
> need some sort of addressing system; when the correct slave
> identifies the message, it performs the desired action otherwise it
> passes it on to the next slave. 

No, RS485 is not one-way, each node can transmit or receive. You are
thinking of RS422 which has separate inputs and outputs.


-- 
Tim Mitchell
tim@sabretechnology.co.uk http://www.sabretechnology.co.uk
Sabre Technology (Hull) Ltd, 3a Newlands Science Park, Hull HU6 7TQ
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