DHT22 Capacitive Humidity Sensing Digital Temperature and Humidity Module
A high-quality module with precise temperature and humidity sensing capabilities
- Supply voltage: 5V
- Temperature range: -40-80°C
- Humidity range: 0-100%RH
- Sequence of the line: VCC, GND, S
- Size: 38 x 20mm
Top Features:
- High reliability and stability
- Small size and low power consumption
- Fast response and strong anti-jamming capability
- Standard single-bus interface for quick system integration
The DHT22 module contains calibrated digital signal output for temperature and humidity sensing. It utilizes dedicated digital modules and advanced sensing technology to ensure reliability and long-term stability. The module includes capacitive wet components and a high-precision temperature sensor connected to an 8-bit microcontroller.
With a standard single-bus interface, the DHT22 module offers easy system integration. It has a small form factor, low power consumption, and a signal transmission distance of up to 20 meters, making it suitable for various applications.
The DHT22 module provides higher precision compared to expensive imported sensors and can accurately measure temperature and humidity in demanding environments. When used with a special sensor Arduino expansion board, it enables interactive effects related to temperature and humidity perception.
Caution: The DHT22 sensor is designed for analog sensor interfaces, utilizing the analog port as a digital interface without occupying the original digital port of the Arduino. The sensor lines can transform analog functions to digital for use on digital ports.