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tutorials:learn:sensors:dht.html [2011/06/23 00:13] daigo created		tutorials:learn:sensors:dht.html [2011/06/23 00:14] daigo
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-	This tutorial covers the low cost [[http://www.adafruit.com/category/35_66\|DHT temperature & humidity sensors]]. These sensors are very basic and slow, but are great for hobbyists who want to do some basic data logging. The DHT sensors are made of two parts, a capacitive humidity sensor and a[[http://www.ladyada.net///thermistor.html\| thermistor.]] There is also a very basic chip inside that does some analog to digital conversion and spits out a digital signal with the temperature and humidity. The digital signal is fairly easy to read using any microcontroller.	+	This tutorial covers the low cost [[http://www.adafruit.com/category/35_66\|DHT temperature & humidity sensors]]. These sensors are very basic and slow, but are great for hobbyists who want to do some basic data logging. The DHT sensors are made of two parts, a capacitive humidity sensor and a[[http://www.ladyada.net/learn/sensors/thermistor.html\| thermistor.]] There is also a very basic chip inside that does some analog to digital conversion and spits out a digital signal with the temperature and humidity. The digital signal is fairly easy to read using any microcontroller.

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