#define led1 15
#define led2 2
#define led3 4
void setup() {
  pinMode(led1, OUTPUT); 
  pinMode (led2, OUTPUT);
  pinMode (led3, OUTPUT); // Set the LED pin as an output
  }

  void loop() {
    digitalWrite(led1, HIGH); // Turn the LED on
      delay(500); // Wait for 500 milliseconds (0.5 seconds)
        digitalWrite(led1, LOW); // Turn the LED off
          delay(360); 
          digitalWrite(led2, HIGH);
          delay(500);
          digitalWrite(led2, LOW);
          delay (360);
          digitalWrite(led3, HIGH);
          delay(500);
          digitalWrite(led3, LOW);

          // Wait for another 500 milliseconds

          //Rahul Sir I've Made This Awesome Project In home. plz rate it out. 
  }