int LED = 12;
int potpin = 0;  // analog pin used to connect the potentiometer
int val;    // variable to read the value from the analog pin


void setup() {
  pinMode(LED, OUTPUT);
  

  // put your setup code here, to run once:int LED=

}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(LED, HIGH);
  val = analogRead(potpin);
  delay(val);
  digitalWrite(LED, LOW);
  delay(val);

}