int poten =A0;
int buzzer =7;

int potenVal =0;

void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
pinMode(buzzer, OUTPUT);
pinMode(poten, INPUT);
}


void loop() {
  // put your main code here, to run repeatedly:
potenVal =analogRead(poten);
tone(buzzer,potenVal);
Serial.println(potenVal);
}