int servoPin = 15;
int val;
void setup()
{
  Serial.begin(9600);
  pinMode(servoPin,OUTPUT);
  int val = analogRead(servoPin);
  
}

void loop()
{
   for(int i=0;i<=200;i+=1)
  {
   val = map(val, 0, 200,2400 ,0);
   analogWrite(15,val);
   delay(100);
   Serial.println(val);
  
  }
  
  
}