//varying blink duration with a potentiometer

void setup() {
  pinMode(2, OUTPUT);
  pinMode(A0, INPUT); //dont actually need to set this pin
  // because when we use the analogRead fnc it automatically sets it
  Serial.begin(9600);
}

//blink program
void loop() {
  int pot = analogRead(A0);
  Serial.println(pot); // display pot reading in serial monitor

// use pot value as delay instead of 1000ms
  digitalWrite(2, HIGH);
  delay(pot); //1s delay 
  digitalWrite(2, LOW);
  delay(pot);
}