DHT22 Temperature & Humidity Sensor Module
Monitor environmental conditions with the DHT22 Temperature & Humidity Sensor Module, a reliable and highly accurate digital sensor for measuring temperature and relative humidity. Featuring a calibrated digital signal output, the DHT22 provides stable and precise readings, making it suitable for weather monitoring, home automation, greenhouse control, HVAC systems, and IoT-based projects.
The module uses a single-wire communication interface, allowing seamless connection with Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other microcontroller platforms. With its wide operating range and excellent long-term stability, the DHT22 is a popular choice for both hobbyists and professional developers.
Features
- High-accuracy temperature and humidity measurement
- Calibrated digital output signal
- Single-wire communication interface
- Wide humidity and temperature sensing range
- Low power consumption
- Long-term stability and reliability
- Easy interfacing with popular development boards
Specifications
- Operating Voltage: 3.3V – 6V DC
- Temperature Range: -40°C to +80°C
- Temperature Accuracy: ±0.5°C
- Humidity Range: 0% – 100% RH
- Humidity Accuracy: ±2% to ±5% RH
- Output Signal: Digital
- Sampling Rate: 0.5 Hz (One reading every 2 seconds)
Applications
- Weather Stations
- Smart Home Systems
- Greenhouse Monitoring
- HVAC Control
- Data Logging Projects
- Industrial Environmental Monitoring
- IoT and Automation Projects