const int tombol=8;
const int led[3]={7,6,5};
const int delayOn[3]={500,1000,500};
boolean status=false;
void setup() {
  for(int i=0;i<3;i++){
    pinMode(led[i], OUTPUT);
  }
  pinMode(tombol, INPUT);
  digitalWrite(tombol, LOW);
  Serial.begin(9600);
}
void cekstatus(){
  if(digitalRead(tombol)==HIGH){
    status = !status;
  }
}
  void loop() {
    cekstatus();
    Serial.println(status);
    delay(500);
   if(status==true){
    for (int i=0;i<=2;i++){
      digitalWrite(led[i], HIGH);
      delay(delayOn[i]);
      digitalWrite(led[i], LOW);
    }
  }else {
    for (int i=0;i<=2;i++){
      digitalWrite(led[i], LOW);
    }
  }
}