const int tombol=11;
const int led[3]={10,9,8};
const int delayOn[3]={300,50,300};
boolean status=false;
void setup() {
  for(int i=0; i<3; i++) {
    pinMode(led[i], OUTPUT);
  }
  pinMode(tombol, INPUT_PULLUP);
  Serial.begin(9600);
}
void loop() {
  if(digitalRead(tombol)==LOW) {
    status = !status;
  }
  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);
    }
  }
}