//ENME461 Lab 1, P1 and P2. Simple Blinking LED

/////highlight and hit ctrl + / to undo all //.

// //PART 1 (GREEN):
// void setup() {
//   pinMode(2, OUTPUT);

// }

// void loop() {
//   digitalWrite(2, HIGH); //turn LED on
//   delay(1000); //wait one second
//   digitalWrite(2, LOW); //turn LED off
//   delay(1000);

// }

//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

//PART 2: using potentiometer: (BLUE!)
int ledPin = 5;
int potPin = A0;
int potVal;

void setup() {
  pinMode(ledPin, OUTPUT);
  Serial.begin(9600); //opens up serial window
}

void loop() {
  potVal = analogRead(potPin);
  Serial.println(potVal); //print to computer serial monitor.

  digitalWrite(ledPin, HIGH); //turn pin on
  delay(potVal); //delays by the microseconds of value of the potentiometer reading signal.
  digitalWrite(ledPin, LOW); //turn pin off
  delay(potVal);
}