void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  ledcAttach(27, 1, 12); // 1Hz, 12bit resolution
  ledcWrite(27, 2048); // 50% duty cycle
  Serial.println("Hello, ESP32!");
}

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