读取温度传感器
支持:DHT11、DHT12、DHT21、DHT22
一、加载依赖库
https://github.com/adafruit/DHT-sensor-library
https://github.com/adafruit/Adafruit_Sensor
clone到Arduino的libraries目录下
支持:DHT11、DHT12、DHT21、DHT22
https://github.com/adafruit/DHT-sensor-library
https://github.com/adafruit/Adafruit_Sensor
clone到Arduino的libraries目录下