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DHT22 Temperature-Humidity Sensor  SKU: DHT22 TemperatureHumidity Sensor
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Product Details
Part no.DHT22 Temperature-Humidity Sensor
ManutacturerWaveshare
Date Code16+
DescriptionSKU: DHT22 Temperature-Humidity Sensor
 DatasheetCheck Datasheet
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  • DESCRIPTION
    Temperature-Humidity Sensor, DHT22 Onboard

    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

    Development Resources

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