int led = 9;
int Volume = A0;

void setup() {
  Serial.begin(9600);
  // put your setup code here, to run once:
  pinMode(led, OUTPUT);
  pinMode(Volume, INPUT);


}

void loop() {
    // put your main code here, to run repeatedly:
  int volumeRead = analogRead(Volume);
  int VolumeMap = map(volumeRead, 0,1023, 0,225);
  analogWrite(led, VolumeMap);
}