AM2302 Digital Temperature & Humidity Sensor – DHT22-Compatible Module with High Accuracy for Weather Stations & IoT Devices

Description

Technical Specifications

• Model: AM2302 (DHT22 Type)
• Measurement Parameters: Temperature & Relative Humidity
• Temperature Range: −40°C to +80°C
• Temperature Accuracy: ±0.5°C
• Humidity Range: 0% to 100% RH
• Humidity Accuracy: ±2% RH
• Operating Voltage: 3.3V – 5.5V
• Output Type: Digital single-wire interface
• Sampling Period: ≥ 2 seconds
• Sensor Type: Capacitive humidity sensor + NTC temperature sensor
• Cable Length: Standard 1–3 meters (varies by module)
• Power Consumption: Ultra-low
• Applications: Weather monitoring, industrial control, indoor air quality, IoT, greenhouses, HVAC systems

Technical Descriptions

The AM2302 Temperature and Humidity Module is a high-precision digital sensor designed for reliable, long-term environmental monitoring. It provides accurate temperature and relative humidity measurements using a calibrated digital signal output.
Compatible with Arduino, Raspberry Pi, ESP8266, ESP32, and all microcontroller platforms, the AM2302 is ideal for weather stations, smart home systems, greenhouses, HVAC monitoring, and IoT projects.

With its long cable, stable performance, and factory calibration, the AM2302 ensures fast response time, low power consumption, and consistent readings even in demanding applications.

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