#define POTENTIOMETER_PIN  35 
#define BUZZER_PIN         21 
#define ANALOG_THRESHOLD   1000
void setup() {
  pinMode(BUZZER_PIN, OUTPUT); 
  Serial.begin(9600); 
}
void loop() {
  int analogValue = analogRead(POTENTIOMETER_PIN); 
  if (analogValue > ANALOG_THRESHOLD) {
    digitalWrite(BUZZER_PIN, HIGH); 
    Serial.println("Buzzer is ON"); 
  } else {
    digitalWrite(BUZZER_PIN, LOW);  
    Serial.println("Buzzer is OFF"); 
  }
  delay(100);
}