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Keyestudio DHT22 (AM2302)Temperature and Humidity Sensor for Arduino Uno r3

KS0430
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  • Description
  • Reviews(32)
Overview 
This DHT22 digital temperature and humidity sensor is a composite Sensor which contains a calibrated digital signal output of the temperature and humidity.
The dedicated digital modules collection technology and the temperature and humidity sensing technology are applied to ensure that the product has high reliability and excellent long-term stability. 
Qualities of excellent quality, ultra-fast response, strong anti-interference, and high cost performance make it a wide applied application or even the most demanding one. 
 
The sensor comes with 2 fixed holes, very easy to mount on any other devices.
 
Applications: dehumidifier, testing and inspection equipment, consumer goods, automotive, automatic control, data loggers, weather stations, home appliances, humidity regulator, medical and other humidity measurement and control. 
 
Specifications 
Operating voltage: DC 3.3V-5V
Interface: 3PIN 
Output signal: single-bus digital signal
Humidity measurement range: 0----100%RH
Humidity measurement accuracy: ±2%RH
Temperature measurement range: - 40℃ to 80℃
Temperature measuring accuracy: ±0.5℃
Dimensions: 43mm * 26mm * 9mm
Weight: 5.9g
 
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Hookup Guide

图片2

Source Code

Before compiling the code, don’t forget to place the necessary DHT library into libraries directory of Arduino IDE. Or else, code upload will fail!

You can click the link on how to use Arduino IDE:

https://wiki.keyestudio.com/How_to_Download_Arduino_IDE

 

 

 

Average rating: 4.0 based on 32 reviews
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