#define LED_PIN 33
#define BUT_PIN 27

//Serial.begin(): https://www.arduino.cc/reference/en/language/functions/communication/serial/begin/

void setup() {
  //Initialize communication (for serial monitor)
  //Serial.begin(9600); // baud rate (bits per second)

  // init pins
  pinMode(LED_PIN,OUTPUT);
  pinMode(BUT_PIN,INPUT);
}

void loop() {  
  // read the actual state of the button
  bool buttonPressed = digitalRead(BUT_PIN);

  //printToSerialMonitor(buttonPressed);
  if(buttonPressed) {
    // Button is being pressed: Turn on the LED
    digitalWrite(LED_PIN, HIGH);
  } else {
    //Button is NOT pressed: Turn off the LED
    digitalWrite(LED_PIN, LOW);
  }
}

void printToSerialMonitor(bool buttonPressed) {
  Serial.print("Button pressed: ");
  Serial.println(buttonPressed);

  // Avoid overflowing the serial monitor by slowing down the loop
  delay(200);
}