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PIC Digital Thermometer with DS1820

 
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Alan
Site Admin


Joined: 29 Jan 2006
Posts: 1399
Location: Winnipeg, MB

PostPosted: Wed Jan 09, 2008 6:42 pm    Post subject: PIC Digital Thermometer with DS1820 Reply with quote



"This digital thermometer use DS1820 measurement temperature from 0-99 'C then
the temperature will display on LCD 1X16 .The CPU used in this project is PIC16F84A.
Software programming with CCS C Compiler"

http://www.coolcircuit.com/project/digitemp/

via
http://www.electronics-lab.com/forum/index.php?topic=11047.0
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Turd
HG Ruler


Joined: 18 Aug 2007
Posts: 274
Location: Saskatchewan, Canada

PostPosted: Thu Jan 10, 2008 5:18 am    Post subject: Reply with quote

Cool. I just recently received some DS1820 samples from Maxim and they're really easy to use with the PICAXE chips Very Happy


eric
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Project_Nightmare
HG Master


Joined: 12 Oct 2007
Posts: 119
Location: Gig Harbor, WA

PostPosted: Thu Jan 31, 2008 2:09 pm    Post subject: Reply with quote

How good do these circuits work if the sensor is connected to a really long cord? It might be useful if you live in an area (like mine) where the water in you pipes tend to freeze in the winter. Thus, if I connect the sensor to the water main and use a long cord to wire it into the house, would the sensor still work correctly?
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Alan
Site Admin


Joined: 29 Jan 2006
Posts: 1399
Location: Winnipeg, MB

PostPosted: Thu Jan 31, 2008 9:37 pm    Post subject: Reply with quote

These guys say 200M, I haven't looked up the official specs though.

http://www.kitsrus.com/pdf/k145.pdf
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Project_Nightmare
HG Master


Joined: 12 Oct 2007
Posts: 119
Location: Gig Harbor, WA

PostPosted: Thu Jan 31, 2008 10:13 pm    Post subject: Reply with quote

OK, thanks Surprised
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