void setup() {
  // Menjadikan pin 7 - 11 output
  pinMode(7, OUTPUT); // led 1
  pinMode(3, OUTPUT); // led 2
  pinMode(5, OUTPUT); // led 3
  pinMode(8, OUTPUT); // led 4
  pinMode(11, OUTPUT); // led 5

}

// lampu 
void loop() {
  // led 1 nyala
  // HIGH : Menyala
  // LOW : Mati
  digitalWrite(7, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(5, LOW);
  digitalWrite(8, LOW);
  digitalWrite(11, LOW);
  delay(1000);
  // led 2 nyala
  digitalWrite(7, LOW);
  digitalWrite(3, HIGH);
  digitalWrite(5, LOW);
  digitalWrite(8, LOW);
  digitalWrite(11, LOW);
  delay(1000);
  // led 3 nyala
  digitalWrite(7, LOW);
  digitalWrite(3, LOW);
  digitalWrite(5, HIGH);
  digitalWrite(8, LOW);
  digitalWrite(11, LOW);
  delay(1000);
  // led 4 nyala
  digitalWrite(7, LOW);
  digitalWrite(3, LOW);
  digitalWrite(5, LOW);
  digitalWrite(8, HIGH);
  digitalWrite(11, LOW);
  delay(1000);
  // led 5 nyala
    digitalWrite(7, LOW);
  digitalWrite(3, LOW);
  digitalWrite(5, LOW);
  digitalWrite(8, LOW);
  digitalWrite(11, HIGH);
  delay(1000);
}