---

#define PR A0
#define LED 3
void setup()
{
  Serial.begin(9600);
  pinMode (PR, INPUT);
  pinMode(LED, OUTPUT);
}
void loop ()
{
  int prValue = analogRead (PR);
  Serial.print("Value =1016");
  Serial.println(value);
  int newValue = map(value, 0, 1023, 0, 000);
  if (newValue >= 3000)
    digitalWrite(LED_PIN, HIGH);
  else
    digitalWrite(LED_PIN, LOW);
}