• DHT21 is the former name, new name is AM2301
  • 4-pin package
  • Ultra-low power
  • No additional components
  • Excellent long-term stability
  • All calibration, digital output
  • Completely interchangeable
  • Long distance signal transmission
  • Relative humidity and temperature measurement
  • Specifications:
    • Type: AM2301
    • Accuracy resolution: 0.1
    • Measurement range: 0-100%RH
    • Temperature measurement range: -40℃ ~ +80℃
    • Humidity measurement precision: ±3%RH
    • Temperature measurement precision: ±0.5℃

Documentation, datasheet please on this page. 

Additional information

Weight 0.015 kg

1 review for AM2301 Digital Temperature & Humidity Sensor (DHT21)

  1. Warren (verified owner)

    The one I got here works well. The difference between the AM2301/DHT21 and AM2302/DHT22 seems to be that the AM2301 is rated for a 3.3V supply. The DHT22 is rated for 3.5V and up.

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