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Waveshare DHT22 Temperature-Humidity Sensor

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  1. Temperature
    1. Resolution : 0.1°C
    2. Accuracy: ±0.5℃
    3. Measuring range: -40°C ~ 80°C
  2. Humidity
    1. Resolution : 0.1%RH
    2. Accuracy: ±2%RH (25°C)
    3. Measuring range : 0%RH ~ 99.9%RH
  3. Operating voltage : 3.3V ~ 5.5 V
  4. Recommended storage condition
    1. Temperature: 10°C ~40°C
    2. Humidity: 60%RH or below
  5. High precision
  6. Capacitive type
  7. Full range temperature compensated
  8. Relative humidity and temperature measurement
  9. Calibrated digital signal
  10. Outstanding long-term stability
  • Estimated delivery time 2-4 days
  • (Subject to stock Availability)
SKU: rz24323682

Product details

This is a calibrated digital temperature and humidity module with onboard sensor DHT22 (AM2302), which features higher accuracy and a wider measuring range than DHT11. It can be used for detecting ambient temperature and humidity, through the standard single-wire interface.DHT22 Digital Temperature & Humidity Sensor is a low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air and spits out a digital signal on the data pin (no analog input pins needed).

Note: Simply connect the first pin on the left to 3-5V power, the second pin to your data input pin, and the rightmost pin to the ground. Although it uses a single wire to send data it is not Dallas One Wire compatible! If you want multiple sensors, each one must have its own data pin!


  1. Ultra-Low Power.
  2. No Additional Components.
  3. Long-Distance Signal Transmission.
  4. All Calibration, Digital Output & Completely Interchangeable.
  5. Relative Humidity & Temperature Measurement.
  6. Humidity Measurement Precision: 2-5% RH.
  7. Temperature Measurement Precision: 0.5 deg C.

Package Includes:

1 x Waveshare DHT22 temperature-humidity Sensor

Additional information



Working Humidity Range


Working Temperature Range (°C)

-40 to 80

Length (mm)


Width (mm)


Height (mm)


Weight (gm)


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