DHT22 / AM2302 Digital Temperature & Humidity Sensor (wired)

The DHT22 (AM2302) is a reliable digital temperature and humidity sensor for IoT, weather stations and HVAC projects. It provides calibrated humidity and temperature readings over a simple single-wire interface and is easy to use with microcontrollers.

• Temperature range: –40 → +80°C
• Humidity range: 0 → 100% RH
• Supply voltage: 3.3–5V
• Digital single-wire interface, easy Arduino/RPi integration
• Ideal for indoor/outdoor environmental monitoring and data-logging