Arduino Built-in LED Blink Explained Step by Step
Learn how to blink the built-in LED on Arduino UNO using pin 13 🔴
This is the FIRST and most important Arduino program for beginners.
No external LED or resistor required!
In this video, you will learn:
✔ What is Arduino's built-in LED (Pin 13)
✔ How pinMode and digitalWrite work
✔ delay() function explained
✔ How Arduino loop() works
This tutorial is perfect for:
• Arduino beginners
• Students & hobbyists
• Embedded systems learners
• Anyone starting Arduino programming
🧰 Components Used:
Arduino UNO - https://amzn.to/4jvHDR6
USB Cable - https://amzn.to/4jvHDR6
(No external LED required)
💻 Arduino Built-in LED Blink Code:
```
void setup() {
pinMode(LED_BUILTIN, OUTPUT);
}
void loop() {
digitalWrite(LED_BUILTIN, HIGH);
delay(1000);
digitalWrite(LED_BUILTIN, LOW);
delay(1000);
}
```
📌 Watch till the end to understand Arduino basics clearly!
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