LED Blink

Solving Approach

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Code

/*Paste your code here*/

const int led = 4;          //  LED is connected to the pin 4    
            
void setup() {
 pinMode(led, OUTPUT);          // Set the LED pin as an output
}

void loop() {
  digitalWrite(led, HIGH);        // LED is turn ON
  delay(400);                     // waits for a 400 millisecond 
  digitalWrite(led, LOW);         // LED is turn OFF
  delay(800);                     // waits for a 800 millisecond
}

Output

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Photo of Output

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