int led = 27;
int meter = 25;
void setup() 
{
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Petentio Meter");
  pinMode(meter, INPUT);
  pinMode(led, OUTPUT);
}

void loop()
 {
  // put your main code here, to run repeatedly:
  int Meter_Value = analogRead(meter);
  int intensity = map(Meter_Value,0,4095,0,255);
  analogWrite(led,intensity);
  Serial.println(Meter_Value);
  delay(100); // this speeds up the simulation
}