#define ledMerah 12
void setup() {
  // put your setup code here, to run once:
  //Serial.begin(115200);
  //Serial.println("Halo, masbro!");
  pinMode(ledMerah, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(ledMerah, HIGH);
  delay(1000); // this speeds up the simulation
  digitalWrite(ledMerah, LOW);
  delay(1000);
  //Serial.println("Halo, masbro!");
}