composants:am2302dht22

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composants:am2302dht22 [2019/08/13 19:05] – created mhcomposants:am2302dht22 [2019/08/13 19:30] mh
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 ====== AM2302 DHT22 Sensor ====== ====== AM2302 DHT22 Sensor ======
  
-Small 3-wire temperature and humidity sensor+Small 3-wire **temperature and humidity** sensor 
 + 
 +{{composants:am2302-dht22.jpg?300}}
  
 ===== Specifications ===== ===== Specifications =====
 +
 +//(Source : [[https://learn.adafruit.com/dht/overview|Adafruit]])//
 +
 +  *Low cost
 +  *3 to 5V power and I/O
 +  *2.5mA max current use during conversion (while requesting data)
 +  *Good for 0-100% humidity readings with 2-5% accuracy
 +  *Good for -40 to 80°C temperature readings ±0.5°C accuracy
 +  *No more than 0.5 Hz sampling rate (once every 2 seconds)
 +  *Body size 15.1mm x 25mm x 7.7mm
 +  *4 pins with 0.1" spacing
  
  
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 ===== Usage ===== ===== Usage =====
  
 +You can use the Adafruit DHT library.
  
 +{{composants:dht22wiring.jpg}}
  
 ===== Demo ===== ===== Demo =====
  
- +Use the basic example from Adafruit library
- +
-++++ Arduino Code |  +
- +
-<code c> +
-</code> +
- +
-+++++
  
  
  • composants/am2302dht22.txt
  • Last modified: 2020/06/01 16:35
  • by 127.0.0.1