int pinLED = 12;
int status = A1;

void setup() {
  // put your setup code here, to run once:

  pinMode(pinLED, OUTPUT);
  pinMode(status, INPUT);
}
void loop() {
  // put your main code here, to run repeatedly:
if (analogRead(status) == LOW)
{
  digitalWrite(pinLED,LOW);
}
else
{
  digitalWrite(pinLED,HIGH);
}
}