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DHT21 Digital Temperature and Humidity Sensor Module

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Price:
$8.95
SKU:
SEN-CB0505
Current Stock:
8
Quantity:


Product Description

DHT21 is a low-cost capacitive humidity & temperature sensor. It uses the same protocol as the DHT11.

Ultra-low power: 300uA Average, 15uA when sleep

Excellent long-term stability

All calibration, digital output

Completely interchangeable

Long distance signal transmission: up to 20m

 

Specifications:

  • Power Supply: 3.3-5.2V DC
  • Resolution: ±0.1
  • Temperature measurement range: -40 ~ +80 ℃ @ ±0.5℃
  • Humidity measurement range: 0-99.9%RH @ ±3%RH

 

DHT21 Datasheet

Arduino library and example code


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