int pin_led_blue = 26;
int pin_led_yellow = 2;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("BOOOCAAAA, BOOOCAAAA!");
  pinMode(LED_BUILTIN, OUTPUT);
  pinMode(pin_led_blue, OUTPUT);
  pinMode(pin_led_yellow, OUTPUT);
}

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