R63.25

DHT22 / AM2302 Digital Temperature and Humidity Sensor Module

The DHT22 (AM2302) is a high-accuracy digital sensor designed to measure both temperature and relative humidity. It features a calibrated digital output, excellent long-term stability, and low power consumption, making it ideal for environmental monitoring, weather stations, home automation, and STEM projects.

Specifications

Model: DHT22 / AM2302
Sensor Type: Digital Temperature and Humidity Sensor
Operating Voltage: 3.3V – 6V DC
Humidity Range: 0% – 100% RH
Temperature Range: -40°C to +80°C
Humidity Resolution: 0.1% RH
Temperature Resolution: 0.1°C
Humidity Accuracy: ±2% RH
Temperature Accuracy: ±0.5°C
Output Signal: Single-wire Digital Interface
Package Type: 4-Pin

Features

Measures both temperature and relative humidity.
Factory-calibrated for accurate and reliable readings.
Digital output for easy interfacing with microcontrollers.
Ultra-low power consumption.
No additional calibration components required.
Excellent long-term stability and reliability.
Fully interchangeable without recalibration.
Supports long-distance signal transmission.
Suitable for Arduino, Raspberry Pi, ESP32, ESP8266, and other development boards.