5/10PCS DHT22 digital temperature and humidity sensor temperature and humidity module AM2302 1. Product overviewHVAC, dehumidifiers, testing and inspection equipment, consumer products, automotive, automatic control, data loggers, home appliances, humidity regulators, medical, weather stations, and other related humidity detection and control, etc. Ultra-low energy consumption, long transmission distance, all automatic calibration, capacitive humidity sensor, completely interchangeable, standard digital single bus output, excellent long-term stability, using high-precision temperature measuring components.4. Product parameters2. Sensor model: AM2302 temperature and humidity sensor4. Temperature measurement range: -40℃--80℃6. Humidity measurement range: 0--100%RH8. Resolution: 16 bit "+": connect to the positive pole of the power supply"out": Connect to the IO port of the microcontroller