float SensorValue;

void setup(){
  pinMode(A2, 2);
  Serial.begin(9600);
  SensorValue = 0;

}


void loop(){

  SensorValue = analogRead(A2);
  Serial.println("\"raw sensor Values:\"");
  Serial.println(SensorValue);
  if ((SensorValue > 1000)) {
    analogWrite(9, 255);
    Serial.println("\"LED:bright\"");
  } else {
    if ((SensorValue > 900)) {
      analogWrite(9, 127);
      Serial.println("\"LED:half bright\"");
    } else {
      analogWrite(9, 0);
      Serial.println("\"LED:dark\"");
    }
  }
  delay(1000);

}