You might want to consider a couple of Schottky diodes to save blowing your
I/O pins ;-)


-marc

On 11/2/05, Jan-Erik Soderholm <jan-erik.soderholm@telia.com> wrote:
>
> drew@technteach.com wrote :
>
> > I see the application note on programming the pic for 1-wire.
> >
> > But what do I need in the way of line drivers between the
> > pic and the connector to the outside world?
>
> Nothing but the mandatory pullup resistor.
> But there are "drivers" for longer distances.
>
> See:
>
> http://www.maxim-ic.com/1-Wire.cfm
>
> Regards,
> Jan-Erik.
>
>
>
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