#define buzzer_gpio 26
#define POTENTIOMETER_PIN 15



void setup() {
  Serial.begin(9600);
  pinMode(POTENTIOMETER_PIN, INPUT);
  pinMode(buzzer_gpio, OUTPUT);
}

void loop() {
  int analogVal = analogRead(POTENTIOMETER_PIN);
  int volume = map(analogVal , 0 , 4095 , 0 , 255);
  if (volume > 200) {
    Serial.println("  Decrease the Volume  ");
    digitalWrite(buzzer_gpio, HIGH);
    delay(100);
  }
  digitalWrite(buzzer_gpio, LOW);
  Serial.println(volume);
  delay(30);
}