nodered_dht22.py 文件源码

def setup():
    global d
    d = dht.DHT22(Pin(2)) 
    wlan = network.WLAN(network.STA_IF)
    wlan.active(True)
    cfg = load_config()
    ap = cfg['ap']
    wlan.connect(ap['ssid'], ap['pwd'])
    while not wlan.isconnected():
        machine.idle()
    wifi(cfg['mqtt'])