#define LED_PIN 2      
#define BUTTON_PIN 0   

bool ledState = false; 

void setup() {
  pinMode(LED_PIN, OUTPUT);     
  pinMode(BUTTON_PIN, INPUT_PULLUP); 
  Serial.begin(115200);          
}

void loop() {
  static bool lastButtonState = HIGH; 
  bool buttonState = digitalRead(BUTTON_PIN); 

  
  if (lastButtonState == HIGH && buttonState == LOW) {
    ledState = !ledState; 
    digitalWrite(LED_PIN, ledState ? HIGH : LOW); 
    Serial.print("LED is ");
    Serial.println(ledState ? "ON" : "OFF"); 
    delay(50); // Debounce
  }

  lastButtonState = buttonState; 
}