//c++code
//

void setup()
{
pinMode(10,OUTPUT);
pinMode(A0,INPUT);
Serial.begin(9600);
}

void loop()
{
  int sensorValue=analogRead(A0);
  Serial.println(sensorValue);
  
  if(sensorValue>=512){
    digitalWrite(10,HIGH);
  }else{
    digitalWrite(10,LOW);
  }
  delay(500);
}