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NTC thermometer

 
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georpo



Joined: 18 Nov 2008
Posts: 281
Location: Athens, Greece.

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NTC thermometer
PostPosted: Wed Feb 10, 2010 1:18 pm     Reply with quote
Hi All!

I need to make a simple thermometer, that is voltage divider with a 10K NTC thermistor connected to vdd (+5v) and a 10K resistor connected to vss.
So, how can I convert the 10 bit ADC value to degrees celcius?

I searched the forum but there was nothing relative to this.

Thanks!
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Wed Feb 10, 2010 1:28 pm     Reply with quote
Humberto has a post in this thread on it:
http://www.ccsinfo.com/forum/viewtopic.php?t=32410

This one explains the math:
http://www.ccsinfo.com/forum/viewtopic.php?t=22265
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