const int pot = A3;
const int bazz = 2;

int val = 0;
int volume = 0;

void setup() {
  Serial.begin(8700);
  pinMode(bazz, OUTPUT);

}

void loop() {
val = analogRead(pot);
Serial.begin(val); 
tone(bazz, val);
volume = map (val, 0, 1023, 0, 255);
analogWrite(pot, volume);

}