DHT22 Digital Temperature and Relative Humidity Sensor Module for Arduino DIY Projects

The DHT22 is a high-precision digital sensor designed to measure ambient temperature and humidity with improved accuracy and a wider operating range compared to entry-level sensors. It provides fully calibrated digital output, allowing seamless integration with microcontrollers without the need for complex analog circuitry.

With low power consumption and simple single-wire communication, the DHT22 is suitable for both advanced projects and more demanding applications. It is commonly used in Arduino, Raspberry Pi, and IoT systems such as weather stations, smart home automation, and environmental monitoring where higher accuracy is required.

Temperature Measurement Range: -40–80℃
Temperature Measurement Error: ±0.5℃
Humidity Measurement Range: 0–100%RH
Humidity Measurement Error: ±2–5%RH