int LEDpin = 0;
void setup() {
  //initialize all pin modes
  pinMode(LEDpin, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  int value = analogRead(A0);
  digitalWrite(LEDpin, HIGH);
  delay(value);
  digitalWrite(LEDpin, LOW);
  delay(value);
  digitalWrite(LEDpin, HIGH);
  delay(value);
  digitalWrite(LEDpin, LOW);
  delay(value);
  Serial.println(value);
}
//a0 and analog pins are used to read value of potentiometer
//analog pins input and digital pins output