Overview
The DHT22 Temperature and Humidity Sensor is a highly accurate and reliable module for measuring temperature and relative humidity. It is commonly used in environmental monitoring, weather stations, and IoT applications, offering digital output and easy integration with microcontrollers.
Features
- High Accuracy: ±0.5°C for temperature and ±2% RH for humidity.
- Wide Range: Measures temperatures from -40°C to +80°C and humidity from 0% to 100%.
- Digital Output: Direct data via a single-wire protocol.
- Low Power Consumption: Suitable for battery-operated devices.
- Pre-Calibrated: Ready to use without additional calibration.
Specifications
- 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 to 6V
- Interface: Digital, single-wire communication
- Sampling Rate: 0.5 Hz (1 reading per 2 seconds)