int ledPin = 2;
int potensioPin = 32;
int val = 0;

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

void loop() {
  val = analogRead(potensioPin);
  analogWrite(ledPin, val/4);
  Serial.println(val);
}