Video 50: Control RGB LED from anywhere in the world

Learn how to control RGB LEDs remotely using an ESP32 microcontroller, Wi-Fi, and MQTT protocol, including hardware setup, Adafruit IO configuration, MQTT basics, Arduino coding, and Color Picker usage.

  • Introduction to the project: Using ESP32 microcontroller with Wi-Fi and MQTT to control RGB LEDs.

  • What is MQTT: Lightweight messaging protocol for bidirectional communication.

  • Adafruit IO setup: Creating Adafruit IO account, configuring dashboards, feeds, and controls.

  • Wiring explained: Explanation of wiring connections for RGB LEDs with resistors to ESP32.

  • Code explained: Overview of Arduino code for subscribing to MQTT topics and controlling LEDs.

  • Selecting ESP32 board and COM port: Demonstrating board and port selection in Arduino IDE.

  • Project demonstration: Live demo of adjusting RGB LED colors using sliders and Color Picker.

  • What is RGB LED?: Explanation of RGB LED structure and operation.

  • RGB Color: Understanding RGB color combinations and mixing using a Color Picker.

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