// Pin definitions
const int buttonPin = 2;   // The pin the button is connected to
const int ledPin = 13;     // The pin the LED is connected to

// Variables
int buttonState = 0;       // Current state of the button
int lastButtonState = 0;   // Previous state of the button

void setup() {
  pinMode(buttonPin, INPUT);
  pinMode(ledPin, OUTPUT);
}

void loop() {
  // Read the state of the button
  buttonState = digitalRead(buttonPin);

  // Check if the button is pressed (active LOW)
  if (buttonState == LOW && lastButtonState == HIGH) {
    // Toggle the LED state
    digitalWrite(ledPin, !digitalRead(ledPin));
  }

  // Save the current state of the button for the next loop iteration
  lastButtonState = buttonState;
}