DHT22 Temperature and Humidity Sensor

The DHT22 Temperature and Humidity Sensor, also known as AM2302, is a high-quality sensor that provides accurate measurements for humidity and temperature. Here are its features, specifications, and applications:

  Features:  

• Low-cost digital temperature and humidity sensor
• Uses a capacitive humidity sensor and a thermistor for measurement
• Provides digital output on the data pin
• Simple to use, but requires careful timing for data acquisition
• Provides new data once every 2 seconds
• Requires connection to 3-5V power, data input pin, and ground
• Not Dallas One Wire compatible; each sensor needs its data pin

  Specifications:  

• Model: AM2302
• Power Supply: 3.3-5.5VDC
• Humidity Measurement Range: 0-100%RH
• Humidity Measurement Precision: ±2-5%RH
• Temperature Range: -40~80°C
• Temperature Measurement Precision: ±0.5°C
• Accuracy Resolution: 0.1
• Length: 33mm
• Width: 15.5mm
• Height: 8mm
• Weight: 3g

  Application:  

• HVAC systems
• Testing and inspection equipment
• Automotive applications
• Data loggers
• Consumer goods
• Automatic control systems
• Weather stations
• Home appliances
• Humidity regulators
• Medical devices
• Dehumidifiers

  Package Includes:  

• 1 x DHT22/AM2302 Digital Temperature & Humidity Sensor

The DHT22/AM2302 sensor is suitable for various applications that require accurate and reliable temperature and humidity measurements.