int beep=9;
int potpin=0;
void setup() {
 Serial.begin(9600);
 pinMode(beep,OUTPUT);
}

void voice(int del) {
  delay(del);
  digitalWrite(beep,HIGH);
  delay(del);
  digitalWrite(beep,LOW);
}
  void loop()
  {
    int val=analogRead(potpin);
    Serial.println(val);
    if(val<450)
    {
      voice(val);
      
    }

}