float volume;

void setup() {
  // put your setup code here
}

void loop() {
  // put your main code here, to run repeatedly:
  volume = round(analogRead(0));
  Serial.printIn(String(volume));
  // Serial.print(\n);
  delay(2000);
  // volume = map(volume, 0, 1023, 0, 100);
  // Serial.print(String(volume) + "%");
}