int buzzer = 7;
int potenValor = 0;
int sound = 0;
void setup(){
pinMode(buzzer, OUTPUT);
Serial.begin(9600);
}
void loop()
{
potenValor = analogRead(A0);
Serial.print("Valor do poten: ");
Serial.println(potenValor);
sound = map(potenValor,0,1023,0,1000);
tone(buzzer, sound, 450);
}