const int lampu1 = 2;
const int lampu2 = 3;
const int lampu3 = 4;
const int lampu4 = 5;
const int lampu5 = 6;


void setup() {
  // Atur pin sebagai OUTPUT  
  pinMode(lampu2, OUTPUT);
  pinMode(lampu3, OUTPUT);
  pinMode(lampu4, OUTPUT);
  pinMode(lampu5, OUTPUT);
} 

void loop() {
  //menyalakan lampu secara bergantian dengan kecepatan tinggi
  digitalWrite(lampu1, HIGH);
  delay(500);
  digitalWrite(lampu2, HIGH);
  delay(500);
  digitalWrite(lampu3, HIGH);
  delay(500);
  digitalWrite(lampu4, HIGH);
  delay(500);
  digitalWrite(lampu5, HIGH);
  delay(500);  //waktu penahan 

digitalWrite(lampu1, LOW);
delay(100);
digitalWrite(lampu2, LOW);
delay(100);
digitalWrite(lampu3, LOW);
delay(100);
digitalWrite(lampu4, LOW);
delay(100);
digitalWrite(lampu5, LOW);
delay(100);  // waktu penahan 
}