int sensorValue = 0;


void setup() 
{
  pinMode(A1, INPUT);
  pinMode(13, OUTPUT);
  
  Serial.begin(9600);

}

void loop() 
{
  sensorValue = analogRead(A1);

  Serial.println(sensorValue);

  analogWrite(13,map(sensorValue, 1, 1000, 0, 255));

  delay(100);

}