//tone esp32
//Oleh Hendry Kurniawan
void setup() {
  ledcSetup(0,1E5,12);
  ledcAttachPin(15,0);
}
void loop() {
  ledcWriteTone(0,800);
  delay(500);
  uint8_t octave = 5;
  ledcWriteNote(0,NOTE_C,octave);  
  delay(500);
}