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Author Topic: Humidity Sensor  (Read 749 times)
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Massachusetts
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Looking for inexpensive humidity sensors and found these:

http://www.newark.com/jsp/search/browse.jsp?N=202072&Ns=P_PRICE_NEWARK_US|0&locale=en_US&appliedparametrics=true&getResults=true&originalQueryURL=/jsp/search/browse.jsp%3FN%3D202072%26No%3D0%26getResults%3Dtrue%26appliedparametrics%3Dtrue%26locale%3Den_US%26divisionLocale%3Den_US%26catalogId%3D%26prevNValues%3D202072

Specifically, the HCH-1000-002 has a 2% accuracy range, which seems good.

However, it looks like it uses "AC" voltage.

Any way to get that to work, or any other suggestions?
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Birmingham, AL
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The dht11 is an inexpensive humidity sensor.  You can find them online for under $5 USD.  There are a couple of libraries for them.  Here's the one that I've used:

  http://arduino.cc/playground/Main/DHT11Lib

-transfinite
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Cumming, GA
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Check out this thread:

http://arduino.cc/forum/index.php/topic,64849.0.html
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