//REGION 1
const int potentiometer  = 27;
const int led_01 = 33;
int potentiometer_value = 0;
int led_brightness;

//REGION 2
void setup () {
  Serial.begin(115200);
  pinMode(potentiometer, INPUT);
  pinMode(led_01, OUTPUT);

}

void loop() {
  potentiometer_value = analogRead(potentiometer);

  //Mapping the Potentiometer value (0-4095) to Led brightness
  led_brightness = map(potentiometer_value, 0 , 4095 , 0 , 255);

  //LED brightness:
  analogWrite(led_01,led_brightness);

  //Print LED brightness and Potentiometer value
  Serial.print("Potentiometer value : ");
  Serial.println(potentiometer_value);

  Serial.print("Led Brightness : ");
  Serial.println(led_brightness);

  delay(1000);

}