const int ledPin = 9;      // Pin LED
const int buttonPin = 8;   // Pin Tombol

bool ledState = false;     // Keadaan awal LED (mati)
bool buttonState = true;  // Keadaan tombol
bool lastButtonState = false;

void setup() {
  pinMode(ledPin, OUTPUT);
  pinMode(buttonPin, INPUT);
  digitalWrite(ledPin, LOW); // Matikan LED awalnya
}

void loop() {
  // Baca keadaan tombol
  buttonState = digitalRead(buttonPin);

  // Jika tombol ditekan (logika HIGH)
  if (buttonState != lastButtonState) {
    if (buttonState == HIGH) {
      ledState = !ledState;  // Balikkan keadaan LED
      digitalWrite(ledPin, ledState); // Nyalakan atau matikan LED
    }
    delay(50); // Debounce delay
  }

  lastButtonState = buttonState; // Simpan keadaan tombol sebelumnya
}