DHT22 Temperature-Humidity Sensor (WS-11092)

Overview

This is a calibrated digital temperature and humidity module with onboard sensor DHT22 (AM2302), which features higher accuracy and wider measuring range than DHT11.

It can be used for detecting ambient temperature and humidity, through the standard single-wire interface.

Specifications

• Temperature
  • Resolution : 0.1°C
  • Accuracy : ±0.5℃
  • Measuring range : -40°C ~ 80°C
• Humidity
  • Resolution : 0.1%RH
  • Accuracy : ±2%RH (25°C)
  • Measuring range : 0%RH ~ 99.9%RH
• Operating voltage : 3.3V ~ 5.5 V
• Recommended storage condition
  • Temperature : 10°C ~40°C
  • Humidity : 60%RH or below

Applications

• Weather station
• Humidity controller
• Test & detection device

How to Use

In the case of working with a MCU:

• VCC ↔ 3.3V ~ 5.5V
• GND ↔ GND
• DOUT ↔ MCU.IO

Dimension

Package Content / Obsah balenia

1. DHT22 Temperature-Humidity Sensor  1x
2. XH2.54 3-pin wire   1x

Development Resources

Wiki : www.waveshare.com/wiki/DHT22_Temperature-Humidity_Sensor