> Ralf Rudolph wrote:
> >
> > Hello there, PICers!
> >
> > As a first PIC project, I would like to build a unit that measures 8
> > Temperature Sensors and reports the results to a serial port (no,
that4s not
> > only for academic reasons: I really need that thing... ;-)
> >
> > I want to keep the Design as simple as possible. For the A/D
Conversion,
> > after reviewing all the good Ideas from this Mailing List and other
Sources,
> > I finally asked myself if the following design could work (it simply
looks
> > too simple to me - maybe I missed some point?):
> >
> > I take 8 I/O Pins from any 18pin PIC device and connect them as
follows:
> >
>
> why don't you use a ds1820 ?
> only one 5k resistor and it's done .
> and you'll need only one data pin

Can you get the ds1820 in a sealed package?

-Stein Sem-Jacobsen