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Author Topic: DHT11 through 4 pin, how plug & program  (Read 3045 times)
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Ascoli
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Dear guys I'm a new user of Arduino.

My friends and me are planning a simple model of home automation and we bought some sensors including the temperature and humidity, precisely the DHT11 http://www.seeedstudio.com/depot/twig-temphumi-sensor-p-745.html
But I noticed that contrary to the others, it has got 4 pins, not 3 pin. And It's marked as Vcc, GND, SIG and NC.
You may kindly refer to how I connect it to Arduino and have a code to try and collect data. Excuse me but we are very inexperienced and I would like your help. If you want more information just ask. Thank you in advance.  smiley


P.S.: excuse me for the bad english  smiley-mr-green
« Last Edit: April 15, 2011, 11:30:52 am by tuxj » Logged

Espoo, Finland
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NC usually means Not Connected, does that help?

Cheers,
Kari
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The only law for me; Ohms Law: U=R*I       P=U*I
Note to self: "Damn! Why don't you just fix it!!!"

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check - http://arduino.cc/playground/Main/DHT11Lib - or - http://arduino.cc/playground/Main/DHTLib - library with small sample code.
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Rob Tillaart

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You may kindly refer to how I connect it to Arduino and have a code to try and collect data. Excuse me but we are very inexperienced and I would like your help. If you want more information just ask. Thank you in advance.  smiley


Here is a link for another topic, if I can work with this, you can...
http://arduino.cc/forum/index.php/topic,58531.0.html

 smiley

Cheers,
Kari
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Note to self: "Damn! Why don't you just fix it!!!"

Ascoli
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 smiley-mr-green Thank you very much  smiley-yell
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