// Define GPIO pins connected to LED and Pushbutton
const int ledPin = 13;      // GPIO 13 for LED
const int buttonPin = 12;   // GPIO 12 for Pushbutton

// Variables to store the current state
bool LED_ON = false;
bool buttonPressed = false;

void setup() {
  Serial.begin(115200);
  // Initialize GPIO pins
  pinMode(ledPin, OUTPUT);
  pinMode(buttonPin, INPUT_PULLUP); // Enable internal pull-up resistor for the pushbutton
}

void loop() {
  // Read the state of the pushbutton
  bool buttonState = digitalRead(buttonPin);
  
  // Check if the pushbutton is pressed (active LOW due to pull-up)
  if (buttonState == LOW && !buttonPressed) {
    buttonPressed = true;
    Serial.println("Button pressed.");
    delay(100); // Debounce delay

    // Toggle the LED state based on button press
    if (!LED_ON) {
      Serial.println("LED ON");
      digitalWrite(ledPin, HIGH);
      LED_ON = true;
    } else {
      Serial.println("LED OFF");
      digitalWrite(ledPin, LOW);
      LED_ON = false;
    }
  } else if (buttonState == HIGH) {
    buttonPressed = false;
  }
}