I'm not sure I see the benefits in this, over say standard RS485.  I'd still 
need some sort of line driver for it, right?

Cheers,
-Neil.


On Thursday 19 May 2005 02:45 pm, Shawn Tan Ser Ngiap scribbled:
> I wonder if something like this would help... It's low speed... and the
> current is driven from an external source, not the PIC.. You can do the
> flow control in software..
> http://jap.hu/electronic/pbus.html


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