2-04-dht:温湿度传感器
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.. code-block:: python

    # -*- coding: UTF-8 -*-
    #实验效果：读取dht温湿度传感器
    #接线：使用windows或linux电脑连接一块arduino主控板，dht11连接D6，dht22连接D7
    import time
    from pinpong.board import Board,Pin,DHT11,DHT22 #导入dht库

    Board("uno").begin()               #初始化，选择板型(uno、leonardo、xugu)和端口号，不输入端口号则进行自动识别
    #Board("uno","COM36").begin()      #windows下指定端口初始化
    #Board("uno","/dev/ttyACM0").begin() #linux下指定端口初始化
    #Board("uno","/dev/cu.usbmodem14101").begin()   #mac下指定端口初始化

    dht11 = DHT11(Pin(Pin.D6))
    dht22 = DHT22(Pin(Pin.D7))

    while True:
      temp = dht11.temp_c() #读取摄氏温度
      humi = dht11.humidity() #读取湿度
      print("dht11 temperature=",temp," humidity=",humi)
      
      temp = dht22.temp_c() #读取摄氏温度
      humi = dht22.humidity() #读取湿度
      print("dht22 temperature=",temp," humidity=",humi)
      time.sleep(1)