DHT11 is a cheap and easy to use temperature and humidity sensor. But since it’s digital and only uses one pin there is a great library for it!
Of course it has some problems compiling on Arduino 1.0 and the one I found on the arduino.cc playground had problems. So I modified it, and put both the library and the example in a nice and easy to unzip package. The example sends data on serial back to the pc, so it looks like this when posting results:
Credit goes to the arduino playground for the library and example code.
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Yay – this works great. On my mac I created a folder called DHT11, dropped these two files in it, then opened up the Arduino package contents and placed that folder in /Contents/Resources/java/Libraries
[…] – http://playground.arduino.cc/main/DHT11Lib – http://stigern.net/blog/?p=373 – http://arduino-info.wikispaces.com/PROJECT-Temp-Humidity-Display – […]