I should probably add, how would I implement this with an external probe and a
PIC?

MM

> -----Original Message-----
> From: piclist-bounces@mit.edu 
> [mailto:piclist-bounces@mit.edu]On Behalf
> Of Mcgee, Mark
> Sent: 20 October 2004 15:53
> To: 'Microcontroller discussion list - Public.'
> Subject: RE: [PIC]: F877 - temperature reading without 
> external sensor?
> 
> 
> Forgive me, but I haven't been following this thread.  I'm 
> working on a
> temperature control module at the moment, to control the fermentation
> temperature of my homebrew beer.  I'm using a temperature control
> module(FE33L) from Maplin, but now I've discovered PIC's I 
> wonder if I need
> that any more.  Although, it does have an LCD display.
> 
> The temperature module is correct to 1-degree-C IIRC, and 
> outputs a 13-bit
> proprietry sequence representing the temperature every 10 
> seconds via a serial
> output.
> 
> Is it possible to beat that accuracy for 0C to 25C range 
> myself?  I would also
> have need for a 60C to 85C range too.  How would this be 
> implemented using a
> PIC?
> 
> Regards
> Mark
> 
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