//Fajri Febriansyah
//22.11.5143
int pinLED[]={22,23,24,25,26,27,28,29};
int jumlahLED = 8;

void setup() {
  // put your setup code here, to run once:
  for (int i = 0; i < jumlahLED; i++)
  {
    pinMode(pinLED[i], OUTPUT);
  }

}

void loop() {
  // put your main code here, to run repeatedly:
  for ( int i = 0; i < jumlahLED; i++)
  {
    digitalWrite(pinLED[i], HIGH);
    delay(1000);
    digitalWrite(pinLED[i], LOW);

  }

  for (int i = jumlahLED - 1; i >= 0; i--)
  {
    digitalWrite(pinLED[i], HIGH);
    delay(1000);
    digitalWrite(pinLED[i], LOW);

  }

}