• DHT22 Temperature & Humidity Sensor

The DHT22 is a digital temperature et humidity sensor very similar to DHT11 but slightly more accurate. It is fairly simple to use be the only downside is that you can grab data once every 2 seconds.

DHT22 Drawing
Fig. 1 - DHT22 Drawing

First pin (left) is for power supply, second pin for data signal and pin 4 (right) is for GND.

Features

  • input voltage: 3 V or 5 V
  • output signal: digital
  • sampling rate: 0.5 Hz
  • humidity range: 0 to 100% (0.1% resolution)
  • temperature range: -40C to +80C (0.1C sensibility)
  • pin spacing: 2.54 mm

Part List

  • 1x DHT22 sensor
Mechanics
Dimensions L x W x H 25.1 mm x 15.1 mm x 7 mm

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DHT22 Temperature & Humidity Sensor

  • The DHT22 is a digital temperature & humidity sensor very similar to DHT11 but slightly more accurate.
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  • $ US4.50 $ US3.50
  • USD 200.00 Left For Free Shipping

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