const int ledPin = 14;       // Pin donde conectas el LED 
// const int pwmChannel = 0;    // Canal PWM 
const int frequency = 500;       // Frecuencia PWM en Hz
const int resolution = 12;    // Resolución de 8 bits --> valores de 0 a 255

void setup() {
  // Configure PWM channel
  ledcAttach(ledPin, frequency, resolution);
  // ledcSetup(pwmChannel, frequency, resolution);
 
  // ledcAttachPin(ledPin, pwmChannel);
}

void loop() {
  ledcWrite(ledPin, 2048);
}