//pin do LED
const int led = 21;

//pin do botao e valor
const int button = 27;
const int bot_aux = 0;

//pin do Pot e valor
const int pot = 4;
const int pot_aux = 8;

//propiedades do PWN
const int freq = 5000;
const int ledchannel = 0;
const int resolution = 0;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  ledcSetup(ledchannel, freq, resolution);
  ledcAttachPin(led, ledchannel);
  pinMode(led, OUTPUT);
  pinMode(button, INPUT);
  pinMode(pot, INPUT);
}

void loop() {

  for (int dutycycle = 0; dutycycle <255; dutycycle++){
    ledcWrite(ledchannel, dutycycle);
    delay(15);
  }
  ledcWrite(ledchannel, 0);
  delay(2000);
}