int pinPot = 15;
int pinLed1 = 23;
int pinLed2 = 22;
int pinLed3 = 21;

void setup() {
  Serial.begin(9600);

  pinMode(pinPot, INPUT);
  pinMode(pinLed1, OUTPUT);
  pinMode(pinLed2, OUTPUT);
  pinMode(pinLed3, OUTPUT);
}

void loop() {
  int valorPot = analogRead(pinPot);
  int luminos = map(valorPot, 0, 4095, 0, 255);
  // Mapeia o valor
  Serial.println("Potenciometro esta no valor " + String(valorPot) + " luminosidade: " + String(luminos));

  analogWrite(pinLed1, luminos);
  digitalWrite(pinLed2, HIGH);
  delay(1000);
}