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Anonymous
Inactive
April 30, 2009 at 10:11 pm
Post count: 1001
#42696

The Vdd and Gnd pins are connected to ground when operating in parasite mode, according to the DS18B20 specs on the maxim-ic site. The DQ pin goes to pin 3 (1-W Data).

See link for DS18B20 specs

http://datasheets.maxim-ic.com/en/ds/DS18B20.pdf