/*
// Potentiometer is connected to GPIO 34 (Analog ADC1_CH6) 
const int potPin = 34;

// variable for storing the potentiometer value
int potValue = 0;

void setup() {
  Serial.begin(115200);
  delay(1000);
}

void loop() {
  // Reading potentiometer value
  potValue = analogRead(potPin);
  Serial.println(potValue);
  delay(500);
}
*/

const int potPin = 34; //GPIO 15 entrada potenciometro
const int outPWM = 23; //GPIO 23 saída PWM
const int enOut  = 21; //GPIO 21 habilita saída PWM

int potValue = 0;      //Variavel para armazenar o valor do potenciometro

//Propriedades do PWM

const int frequencia = 5000;                 //5KHz
const int Channel = 0;                       //Canal
const int resolucao = 8;                     //8 bits

void setup() {
  Serial.begin(115200);

  pinMode(enOut, OUTPUT);

  ledcSetup(Channel, frequencia, resolucao); //Configuração do PWM
  ledcAttachPin(outPWM, Channel);            //Configuração do pino
  delay(1000);
}

void loop() {

 potValue = analogRead(potPin);
 Serial.println(potValue);

 int dutyCycle = (potValue/16);       //Transforma 12 bits em 8 bits / relação de entrada 4096 para saída 256
 ledcWrite(Channel, dutyCycle);
 Serial.println(dutyCycle);
}