DHT22 Temperature and Humidity Sensor

• Compound digital temperature and humidity sensor
• Includes moisture sensor and temperature measuring element
• Temperature range: -40-80°C (±2%RH error)
• Interface sequence: VCC, GND, S

The DHT22 Temperature and Humidity Sensor is a compound digital temperature and humidity sensor which outputs calibrated digital signals. DHT22 includes a capacitive moisture sensor and a NTC temperature measuring element which is connected to a high-performance 8-bit microcontroller.