#define led 2 // red
#define led 0 // yellow
#define led 4 //green
#define buzzer 16 //pin untuk buzzer
#define button 18 //pin untuk button


void setup() {
  // put your setup code here, to run once:
  // Serial.begin(115200);
  // Serial.println("Hello, ESP32!");
  pinMode(2, OUTPUT);
  pinMode(0, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(16, OUTPUT);
  pinMode(18, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  //Nyalakan LED Merah
  digitalWrite(2, HIGH);
  delay(4000); // this speeds up the simulation
  
  //Nyalakan LED Kuning Berkedip
  digitalWrite(2, HIGH);
  digitalWrite(4, HIGH);
  delay(1000);

  digitalWrite(0, LOW);
  delay(500); // this speeds up the simulation
  digitalWrite(0, HIGH);
  delay(500); // this speeds up the simulation
  digitalWrite(0, HIGH);

  //Nyalakan LED Hijau
  digitalWrite(2, LOW);
  digitalWrite(0, LOW);
  digitalWrite(4, HIGH);
    delay(4000); // this speeds up the simulation
}