LED Blink

Solving Approach

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Code

/*Paste your code here*/
const int ledPin = 9; // LED connected to digital pin 9

void setup() {
  pinMode(ledPin, OUTPUT);
}

void loop() {
  digitalWrite(ledPin, HIGH); // Turn LED ON
  delay(400);                 // Wait for 400 milliseconds

  digitalWrite(ledPin, LOW);  // Turn LED OFF
  delay(800);                 // Wait for 800 milliseconds
}

Output

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