#define LED_biru  10
#define LED_hijau  11
#define LED_kuning  12
#define LED_merah  13
#define tombol 7

int status = 0;

void setup() {
  Serial.begin(9600);
 pinMode(tombol, INPUT); 
 pinMode(LED_hijau, OUTPUT);
 pinMode(LED_merah, OUTPUT);
 pinMode(LED_kuning, OUTPUT);
 pinMode(LED_biru, OUTPUT);
 digitalWrite(LED_hijau, LOW);
 digitalWrite(LED_merah, LOW);
 digitalWrite(LED_kuning, LOW);
 digitalWrite(LED_biru, LOW);
}

void loop() {
  Serial.println(status);
  if(digitalRead(tombol) == HIGH){
    status++;
    delay(100);
  }

  if(status == 1){
    digitalWrite(LED_merah, HIGH);
  }

  if(status == 2){
    digitalWrite(LED_kuning, HIGH);
    digitalWrite(LED_merah, LOW);
  }

  if(status == 3){
    digitalWrite(LED_hijau, HIGH);
    digitalWrite(LED_kuning, LOW);
    digitalWrite(LED_merah, LOW);
  }
    if(status == 4){
    digitalWrite(LED_biru, HIGH);
    digitalWrite(LED_hijau, LOW);
    digitalWrite(LED_kuning, LOW);
    digitalWrite(LED_merah, LOW);
  }

  else if (status==5){
    status=0;
    mati();
  }

}

void mati(){
digitalWrite(LED_merah, LOW);
digitalWrite(LED_kuning, LOW);
digitalWrite(LED_hijau, LOW);
digitalWrite(LED_biru, LOW);
}