DHT22 Temperature And Humidity Sensor Module

This digital temperature and humidity module is a digital output signal containing a calibrated temperature and humidity combined sensor.

It uses dedicated digital module capture technology and temperature and humidity sensor technology to ensure that products has high reliability and excellent long-term stability. Sensor includes a capacitive humidity sensing element and a high-precision temperature measurement device, and with a high-performance 8-bit microcontroller connected. Therefore, the product has excellent quality, fast response, anti-interference ability, low cost and other advantages. Ultra-small size, low power consumption, signal transmission distance up to 20 meters. Making it the best choice for all kinds of applications and even the most demanding applications.

Applications

HVAC (Heating Ventilation Air Conditioning), dehumidifiers, testing and inspection equipment, consumer goods, automotive, automation, data loggers, home appliances, humidity regulator, medical, weather stations and other related humidity detection control.

Specifications

• Dimensions: 40 x 23mm
  
• Weight: 4g
• Working voltage: 3 V - 5.5 V
  
• Port: digital two-way single bus
  
• Temperature range: -40 to 80 °C ± 0.5 °C
  
• Humidity: 20 to 90% RH ± 2% RH
  
• Platform: Arduino, SBC

What's in the box?

1 x Sensor Module

Resources

How to setup a DHT22 with your Raspberry Pi.The resistor is already on the PCB so you can skip the breadboard part.

• Datasheet (DHT22)
• Example Code (Arduino) (Credit to Adafruit)