int LedPin =12;
int sensorPin =A1;
int sensorValue = 0;

void setup() {
Serial.begin(9600);
pinMode(LedPin ,OUTPUT);
}

void loop() {
sensorValue =analogRead(sensorPin);
Serial.println(sensorValue);
  if(sensorValue >500)
  {
   digitalWrite(LedPin , HIGH);

  }
  else
  {
    digitalWrite(LedPin ,LOW);
  }
}