#define l1 13 // Led 1 pada pin Ardunino 13
#define l2 12 // Led 2 pada pin Ardunino 12
#define l3 11 // Led 3 pada pin Ardunino 11
#define l4 10 // Led 4 pada pin Ardunino 10
#define l5 9 // Led 5 pada pin Ardunino 9
#define l6 8 // Led 6 pada pin Ardunino 8
#define l7 7 // Led 7 pada pin Ardunino 7
#define l8 6 // Led 8 pada pin Ardunino 6

void setup() {
  // put your setup code here, to run once:
  pinMode(l1, OUTPUT);
  pinMode(l2, OUTPUT);
  pinMode(l3, OUTPUT);
  pinMode(l4, OUTPUT);
 
  pinMode(l5, OUTPUT);
  pinMode(l6, OUTPUT);
  pinMode(l7, OUTPUT);
  pinMode(l8, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(l8, HIGH);
  delay(1000);
  digitalWrite(l7, HIGH);
  delay(1000);
  digitalWrite(l6, HIGH);
  delay(1000);
  digitalWrite(l5, HIGH);
  delay(1000);
  digitalWrite(l4, HIGH);
  delay(1000);
  digitalWrite(l3, HIGH);
  delay(1000);
  digitalWrite(l2, HIGH);
  delay(1000);
  digitalWrite(l1, HIGH);
  delay(1000);

  digitalWrite(l1, LOW);
  digitalWrite(l2, LOW);
  digitalWrite(l3, LOW);
  digitalWrite(l4, LOW);

  digitalWrite(l5, LOW);
  digitalWrite(l6, LOW);
  digitalWrite(l7, LOW);
  digitalWrite(l8, LOW);

  delay(1000);
}