DHT22 sensor

$6.99

Higher accuracy temperature and humidity.

Description

The DHT22 (AM2302) is a digital temperature and humidity sensor with better accuracy and range than the DHT11. It uses a single-wire serial interface and is suitable for weather stations, indoor monitoring, and automation. Libraries are available for Arduino and Raspberry Pi.

Specifications

Temperature range-40°C to 80°C
Humidity range0–100% RH
Accuracy (temp.)±0.5°C
Accuracy (hum.)±2–5%
InterfaceSingle-wire digital

Features

  • Higher accuracy than DHT11
  • Long-term stability
  • Low cost
  • Arduino & Pi libraries
  • Calibrated digital output

Tutorial video

Documentation

DHT22 datasheet (PDF)

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