void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(2,INPUT);
  pinMode(14,OUTPUT);
}

void loop() {
  int v=analogRead(2);
  int intensity = map(v,0,4095,0,255);
  analogWrite(14,intensity);
  Serial.println("Read value:  " +String(v));  //0 to 4095
  Serial.println("Intensity value" +String(intensity));    //0 to 255
  delay(1000); // this speeds up the simulation
}