#define POT 27

void setup() {
  // put your setup code here, to run once:
  pinMode(19, OUTPUT);
  Serial.begin(115200);
  }

void loop() {
  // put your main code here, to run repeatedly:
  int value = analogRead(POT);
  int intensity = map(value, 0, 4095, 0, 255);
  Serial.println(intensity);
  analogWrite(19, intensity);
  delay(10); // this speeds up the simulation
}