Simple spaceship interface. Project # 2 from the Arduino starterkit.

spaceship-interface.ino

int switchState = 0; 

void setup() {

  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(2, INPUT); 

}

void loop() {
  // put your main code here, to run repeatedly:

  switchState = digitalRead(2); 

  if(switchState == LOW){
    digitalWrite(3, HIGH);
    digitalWrite(4, LOW);
    digitalWrite(5, LOW);
    
  } else {
    digitalWrite(3, LOW);
    digitalWrite(4, LOW);
    digitalWrite(5, HIGH);

    delay(250);

    digitalWrite(4, HIGH);
    digitalWrite(5, LOW);

    delay(250);
  }

}