Exercise 1: MQTT with ESP32 in wokwi

This section from the Industrial Informatics Course provides a practical guide to understanding and implementing MQTT with an ESP32 in simulation

Contents

• 1. Connect to a network via WiFi

  • How to connect the device to a network.

• 2. Create a client and connect to a MQTT broker

  • How to create an ESP32 client and connect it to a MQTT broker.

• 3. Create a publisher

  • How to publish messages to a topic with an ESP32 client.

• 4. Create a subscriber

  • How to subscribe to a topic to receive messages with an ESP32 client.

• 5. Exercise: practical application

  • A simple practical exercise to put practice the knowledge acquired in this part of the course.

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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.