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DHT22 - Digital Temperature and Humidity Sensor

DHT22 - Digital Temperature and Humidity Sensor - Miscellaneous
DHT22 - Digital Temperature and Humidity Sensor - Miscellaneous
Brand: Various
Product Code: AC-1006
Availability: In Stock
Price: 6,35€
Incl. 1,01€ VAT excl. shipping costs
Qty:        

DHT22 - Digital Temperature and Humidity Sensor

The DHT22 is a basic, 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). Its fairly simple to use, but requires careful timing to grab data. The only real downside of this sensor is you can only get new data from it once every 2 seconds, so when using our library, sensor readings can be up to 2 seconds old.
 

  • 3 to 5V power and I/O
  • 2.5mA max current use during conversion (while requesting data)
  • Good for 0-100% humidity readings with 2-5% accuracy
  • Good for -40 to 80°C temperature readings ±0.5°C accuracy
  • No more than 0.5 Hz sampling rate (once every 2 seconds)
  • Body size 27mm x 59mm x 13.5mm (1.05" x 2.32" x 0.53")
  • 4 pins, 0.1" spacing

Datasheet

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