import machine
import time
import network 
from umqtt.robust import MQTTClient

sta=network.WLAN(network.STA_IF)
sta.active(True) 
sta.connect('43y040999','120120730') 
while not sta.isconnected() :
    pass

p0=Pin(14, Pin.IN)
d=dht.DHT22(p0)

mqtt_client_id = '33369653308'
CHT_URL = 'iot.cht.com.tw'
CHT_USERNAME = 'chttw_8928493345'
CHT_IO_KEY = 'DKEK953EAHGKWHBWPF'

client = MQTTClient(client_id=mqtt_client_id, 
                    server=CHT_URL, 
                    user=CHT_USERNAME, 
                    password=CHT_IO_KEY)

client.connect() #連線至MQTT伺服器

f=open('DHT_Temp.txt','w')
for j in range(5):
    print('第'+str(j+1)+'筆')
    Temperature=0
    Humidity=0
    d.measure()
    Temperature=d.temperature()
    Humidity=d.humidity()

payload=[{"id":"DHT-Temp","value":[Temperature]}] 
client.publish(b'/v1/device/33369653308/rawdata',str(payload).encode())

payload=[{"id":"DHT-Hum","value":[Humidity]}] 
client.publish(b'/v1/device/33369653308/rawdata',str(payload).encode())

print('publish finish')
f.write(str(Temperature)+' '+str(Humidity)+'\n')
time.sleep(16)
f.close()