DHT22 Temperature-Humidity Sensor

Overview

This is a calibrated digital temperature and humidity module with onboard sensor DHT22, 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^oC
• Accuracy : ±0.5^oC
• Measuring range : -40^oC ~ 80^oC
• Humidity
• Resolution : 0.1%RH
• Accuracy : ±2%RH (25^oC)
• Measuring range : 0%RH ~ 99.9%RH
• Operating voltage : 3.3V ~ 5.5 V
• Recommended storage condition
• Temperature : 10^oC ~40^oC
• 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

Weight: 0.011 kg

1. DHT22 Temperature-Humidity Sensor x1
2. XH2.54 3-pin wire x1

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