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

d = dht.DHT22(Pin(12, Pin.IN))
# connect wifi
wifi.connect_ap()
# Connect MQTT Broker
# Use MD5 to encrypt the name of the topic to identify on MQTT
client_id = "0f1b760cf7348436d9fbd8448a5d992a" 
server = "broker.hivemq.com"
client = MQTTClient(client_id, server)
client.connect()

def loop():
  while True:
    d.measure()
    temperature = d.temperature()
    humidity =  d.humidity()
    print("Send data to broker")
    client.publish("IoT_MQTT_Temperature", str(temperature) )
    client.publish("IoT_MQTT_Humidity", str(humidity))
    # send data each 5s
    time.sleep(5)


if __name__ == "__main__":
  loop()
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