Getting Started: A hands-on introduction to MQTT

This section from the Industrial Informatics Course provides a practical guide to understanding and implementing MQTT (Message Queuing Telemetry Transport), a lightweight messaging protocol widely used in IoT (Internet of Things) applications.

Contents

• 1. Install Mosquitto

  • Step-by-step instructions for installing Mosquitto, an open-source MQTT broker, on your system.

• 2. Testing Mosquitto from the terminal

  • Guidance on testing the Mosquitto installation using terminal commands to verify its proper operation.

• 3. Allow External Connections

  • Steps to configure Mosquitto to accept external client connections, enabling communication over a network.

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This guide is designed to help learners set up and operate an MQTT broker, forming the foundation for efficient message exchange between IoT devices.