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- 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.