// C++ code
//
void setup()
{
  pinMode(8, OUTPUT);
}

void loop()
{
  tone(8, 523, 1000); // play tone 60 (C5 = 523 Hz)
  delay(3000); // Wait for 3000 millisecond(s)
  noTone(8);
  delay(1000); // Wait for 1000 millisecond(s)
}