10-27-11, 05:28 PM
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Lex Parsimoniae
Join Date: Feb 2009
Location: Woburn, MA
Posts: 4,918
Thanks: 114
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DS18B20 temperature sensors $1 each.
A pretty good deal.. But, you gotta buy at least five.. And wait about 3 weeks for delivery.. 
5PCS DS18B20 18B20 Thermometer Temperature Sensor Dalla | eBay
I ordered 10. I'll bet that's a lifetime supply for me..
Date sheet:
Datasheets.maxim-ic.com/en/ds/DS18B20.pdf
Cheers,
Rich
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