Arduino and C++ #4 // Basic Blink Code Explanation

Blink Code එක කොහොමද වැඩ කරන්නේ? | Explaining the Blink Sketch & Core Functions

The "Blink" sketch is the "Hello World" of Arduino programming—the first step for every beginner. In Lesson 4, we don't just run the code; we break it down line-by-line to understand exactly how it controls the hardware. We explore the essential functions that make the LED blink and the specific syntax rules you simply cannot ignore.

This session is conducted by Agra Navaratne (BSc. University of Moratuwa (UG)).w

🧠 What you’ll learn in this video

The Blink Explained: A deep dive into the standard blink example.

pinMode(): How to configure pins as Inputs or Outputs.

digitalWrite(): How to turn pins HIGH (On) and LOW (Off).

delay(): Using the delay function to pause the program for a specific time.

The Semicolon (;): Why this symbol is crucial in C++ programming.

Hardware Pinout: A brief look at GPIO pins on boards like the ESP32.



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