#define OUT_PIN GPIO_NUM_23

void blink(int n) {
  for (int i = 0; i < n; i++) {
    digitalWrite(OUT_PIN, HIGH);
    delay(100);
    digitalWrite(OUT_PIN, LOW);
    delay(100);
  }

}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(OUT_PIN, OUTPUT);
  delay(10);
  blink(3);

}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}