void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(5,OUTPUT);
}

void loop() {
  tone(5,12000);
  delay(250);
  tone(5,15000);
  delay(250);
  tone(5,10000);
  delay(250);
  tone(5,3500);
  delay(250);
  tone(5,875);
  delay(250);
  tone(5,480);
  delay(250);
  tone(5,86);
  delay(250);
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}