Video 46: IoT Communication with MQTT

Learn how to integrate an ESP32 microcontroller with a temperature sensor, LED, and push button for MQTT communication in this comprehensive tutorial.

• Introduction: Discover how to use an ESP32 microcontroller with a temperature sensor, LED, and push button.

• MQTT Protocol: Understand the lightweight, bidirectional, and scalable nature of MQTT, along with its reliability and security features.

• Wiring Setup: Get insights into the wiring connections required for the temperature sensor, LED, and push button.

• Arduino Code Explanation: Dive into the Arduino code setup, including Wi-Fi configuration, MQTT client setup, and message handling.

• Board and COM Port Selection: Learn how to select the ESP32 board and COM port in the Arduino IDE.

• HiveMQ Free Broker Demonstration: See a step-by-step demonstration of using the HiveMQ Free broker for MQTT communication, including publishing temperature data and controlling the LED remotely.

Video

Related On-line Tutorials

• 8.4 IoT Communication with MQTT