const int merah = 2;
const int kuning = 4;
const int hijau = 23;
const int tombol = 12;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(merah, OUTPUT);
  pinMode(kuning, OUTPUT);
  pinMode(hijau, OUTPUT);
  pinMode(tombol, INPUT_PULLUP);
}

void loop() {
  // put your main code here, to run repeatedly:
  if (digitalRead(tombol)==HIGH){
    digitalWrite(merah, HIGH);
    delay(5000);
    digitalWrite(merah, LOW);
    digitalWrite(kuning, HIGH);
    delay(500);
    digitalWrite(kuning, LOW);
    digitalWrite(hijau, HIGH);
    delay(3000);
    digitalWrite(hijau, LOW);
    digitalWrite(kuning, HIGH);
    delay(500);
    digitalWrite(kuning, LOW);
    ESP.restart();}
  else (digitalRead(tombol)==LOW);
    digitalWrite(merah, LOW);
    digitalWrite(kuning, HIGH);
    delay(1000);
    digitalWrite(kuning, LOW);
    delay(1000);
    digitalWrite(hijau, LOW);
 
}