This guide provides a comprehensive step-by-step tutorial for setting up an ESP32 microcontroller to run a simple "Hello World" blinking LED program. It covers hardware and software requirements, installing Visual Studio Code, setting up PlatformIO, and configuring the ESP32. Perfect for beginners, this guide walks you through creating your first project, uploading code, and setting up the LED circuit. It’s an ideal starting point for anyone looking to explore IoT development with ESP32.