#define analogPin A1
#define ledPin 12

void setup() {
  // put your setup code here, to run once:
pinMode(ledPin, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
int analogValue = analogRead(analogPin);

digitalWrite(ledPin, HIGH);
delay(analogValue);

digitalWrite(ledPin, LOW);
delay(analogValue);
}