int buzz = 3;
int pot = A0;

int randomFreq = 0;

int potValue = 0; 

void setup() {
  // put your setup code here, to run once:
  pinMode(buzz, OUTPUT);
  pinMode(pot, INPUT);

  Serial.begin(9600);

  randomSeed(analogRead(A1));

  randomFreq = random(0, 1023);
  tone(buzz, randomFreq, 1000);
  delay(2000);
}

void loop() {
  // put your main code here, to run repeatedly:

}