> I am looking at designing a simple project which will simply sample the
> temperature and store the maximum temperature reached as well as the
> average.
> What do people recommend for temperature sensors (please also give a place
> where I can buy them in low quantity. ( < 10))
> Would you use a thermoresistor hooked to a PIC that had an on-board A/D or
> would you use a Dallas (or equivalent) digital sensor?
> I only need approximate (2 degrees or so) and it is to put on top of a
> roof.  (The rest of the circuitry besides the sensor will be kept inside
> their specs.)
>
Have a look at the LM335 from National.  It should be widely available
and cheap.

Niki