// Define the LED pins
int redled = 2;
int Gled = 3;
int Bled = 4;

void setup() {
  // Initialize the LED pins as outputs
  pinMode(redled, OUTPUT);
  pinMode(Gled, OUTPUT);
  pinMode(Bled, OUTPUT);
}

void loop() {
  // Turn on the red LED and turn off others
  digitalWrite(redled, HIGH);
  digitalWrite(Gled, LOW);
  digitalWrite(Bled, LOW);
  delay(1000); // Wait for 300 milliseconds

  // Turn on the green LED and turn off others
  digitalWrite(redled, LOW);
  digitalWrite(Gled, HIGH);
  digitalWrite(Bled, LOW);
  delay(1000); // Wait for 300 milliseconds

  // Turn on the blue LED and turn off others
  digitalWrite(redled, LOW);
  digitalWrite(Gled, LOW);
  digitalWrite(Bled, HIGH);
  delay(1000); // Wait for 300 milliseconds

  // If you want to turn off all LEDs after the sequence, uncomment the following lines
  // digitalWrite(redled, LOW);
  // digitalWrite(Gled, LOW);
  // digitalWrite(Bled, LOW);
  // delay(300); // Wait for 300 milliseconds
}