Arduino 3 LED Blink Program | Simple Beginner Project | S01

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In this video, I demonstrate a simple Arduino project where three LEDs (Green, Yellow, Green) are connected and controlled using digital output pins.

This project helps beginners understand:
• Pin configuration using pinMode()
• Digital output using digitalWrite()
• Timing control using delay()
• Basic LED interfacing with Arduino

💻 Arduino Code:

int o = 11; // LED 1 connected to pin 11
int t = 12; // LED 2 connected to pin 12
int th = 13; // LED 3 connected to pin 13

void setup() {
pinMode(o, OUTPUT);
pinMode(t, OUTPUT);
pinMode(th, OUTPUT);
}

void loop() {
digitalWrite(o, HIGH);
digitalWrite(t, LOW);
digitalWrite(th, HIGH);
delay(1000); // 1 second delay

digitalWrite(o, LOW);
digitalWrite(t, HIGH);
digitalWrite(th, LOW);
delay(1000); // Change delay to control speed
}
You can modify the variable names, pin numbers, and delay time according to your project requirements.

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