import dht
from machine import Pin
import wifi
import time
from umqtt.simple import MQTTClient

d = dht.DHT22(Pin(4, Pin.IN))

wifi.connect_ap()

client_id = "micropython-weather-demo_aa"
server = "broker.mqttdashboard.com"
topic = "iot/hau"
client = MQTTClient(client_id, server)
try:
    client.connect()
    print("Ket noi thanh cong")
except:
    print("Khong the ket noi")

def loop():
    while True:
        try:
            d.measure()
            temp = d.temperature()
            humi = d.humidity()

            print("Gui du lieu len Broker")
            client.publish("iot_nhietdo", str(temp))
            client.publish("iot_doam", str(humi))
            time.sleep(5)
        except:
            print("Gui du lieu that bai")
            time.sleep(3)
            client.connect()

if __name__ == "__main__":
    loop()