#define merah 13
#define kuning 12
#define biru 14


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  pinMode(merah, OUTPUT);
  pinMode(kuning, OUTPUT);
  pinMode(biru, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(merah, HIGH);  
  delay(500); // this speeds up the simulation
  digitalWrite(merah, LOW);

  digitalWrite(kuning, HIGH);
  delay(500);
  digitalWrite(kuning, LOW);

  digitalWrite(biru, HIGH);
  delay(500);
  digitalWrite(biru, LOW);
 
  delay(500);


}