mqtt-publish-dht11.py

import time
import paho.mqtt.client as mqtt
import Adafruit_DHT

# MQTT Client
mqttc = mqtt.Client()
mqttc.connect("mqtt.eclipseprojects.io", 1883, 60)

# DHT11 sensor data
dht11_sensor = Adafruit_DHT
gpio = 23

# Main function
if __name__ == "__main__":
    print("Publishing...")
    
    while True:
        humidity, temperature = Adafruit_DHT.read_retry(dht11_sensor, gpio)
        mqttc.publish("myroom/temperature", temperature)
        time.sleep(2)