// Rangkaian Lampu LED Berderet

const int pinLED1 = 8;
const int pinLED2 = 9;
const int pinLED3 = 10;
const int pinLED4 = 11;

void setup() {
  // put your setup code here, to run once:
pinMode(pinLED1, OUTPUT);
pinMode(pinLED2, OUTPUT);
pinMode(pinLED3, OUTPUT);
pinMode(pinLED4, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
//Perulangan sebanyak 5 kali  
//dari i=0 hingga i=4 atau (i<5)  
  
  for(int i=0; i<5; i++){
  if (i==1){
     digitalWrite(pinLED1, HIGH);
     digitalWrite(pinLED2, LOW);
     digitalWrite(pinLED3, LOW);
     digitalWrite(pinLED4, LOW);
  }else if (i==2){ 
     digitalWrite(pinLED1, HIGH);
     digitalWrite(pinLED2, HIGH);
     digitalWrite(pinLED3, LOW);
     digitalWrite(pinLED4, LOW);
  }else if (i==3){
     digitalWrite(pinLED1, HIGH);
     digitalWrite(pinLED2, HIGH);
     digitalWrite(pinLED3, HIGH);
     digitalWrite(pinLED4, LOW);
  }else if (i==4){
     digitalWrite(pinLED1, HIGH);
     digitalWrite(pinLED2, HIGH);
     digitalWrite(pinLED3, HIGH);
     digitalWrite(pinLED4, HIGH); 
  }else{
     digitalWrite(pinLED1, LOW);
     digitalWrite(pinLED2, LOW);
     digitalWrite(pinLED3, LOW);
     digitalWrite(pinLED4, LOW);
    }
    delay(1000);
    }
}