Here is a tutorial to explain how to implement the MQTT Client by using Python. I will build the broker with raspberry-pi3. Install Broker Some Useful Link while using Raspberry Here is the tutorial to build a broker in the raspberry pi/ubuntu. If the connection is refused: Install Python Library pip install paho-mqtt https://www.eclipse.org/paho/index.php?page=clients/python/index.php https://www.eclipse.org/paho/index.php?page=clients/python/docs/index.php Main Functions used connect() connect(host, port=1883, keepalive=60, bind_address=””) connect() function connects the client to a … Continue reading MQTT#using Python Library as a Subscriber and Publisher