// Define the pins for each LED
const int ledPin1 = 2;  // Connect LED 1 to digital pin 2
const int ledPin2 = 3;  // Connect LED 2 to digital pin 3
const int ledPin3 = 4;  // Connect LED 3 to digital pin 4
// Add more pins for additional LEDs if needed

void setup() {
  // Initialize each LED pin as an output
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  pinMode(ledPin3, OUTPUT);
  // Initialize additional pins if added
  
}

void loop() {
  // Turn on all led with sequence delay
  
  digitalWrite(ledPin1, HIGH); // Turn LED 1 on
  delay(1000);                  // Wait for 1 second
  digitalWrite(ledPin1, LOW);  // Turn LED 1 off
  
  digitalWrite(ledPin2, HIGH); // Turn LED 2 on
  delay(1000);                  // Wait for 1 second
  digitalWrite(ledPin2, LOW);  // Turn LED 2 off
  
  digitalWrite(ledPin3, HIGH); // Turn LED 3 on
  delay(1000);                  // Wait for 1 second
  digitalWrite(ledPin3, LOW);  // Turn LED 3 off
  
  // Add more sequences for additional LEDs if needed
}