const int LED = 26;
const int POT = 34;

void setup(){
  Serial.begin(115200);
  pinMode(LED, OUTPUT);
}

void loop(){
  int value = analogRead(POT);
  int brightness = map(value, 0, 4095, 0, 255);
  analogWrite(LED, brightness);
  Serial.println(value);
  delay(20);
}