Discussion:
Reading temperature from DS18B20 digital temp. sensor using DAQ USB6008??
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KayK
2008-07-15 23:40:09 UTC
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hello.. im trying to read the temperature reading from this DS18B20 digital temperature sensor...it is a 1-wire interface sensor...and its provides digital temperature measurements...im using the DAQ USB6008 Digital I/O to read this sensor...how can i get the exact degree C reading by using LabVIEW and this USB6008??below is the datasheet of the temperature sensor DS18B20....anyone can help??


DS18B20 (temperature sensor).pdf:
http://forums.ni.com/attachments/ni/170/341222/1/DS18B20 (temperature sensor).pdf
Karissa
2008-08-14 06:40:18 UTC
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The DAQ USB6008 was designed for analogue type sensors and simple digital IO, not sensors with a digital serial output.  I have used similar 1-wire sensor chips in projects. To get the readings from these chips we usually used Microprocessors. You could probably use a 1-wire serial or USB bridge to connect directly to the PC though. 
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