#define LED1 12
#define LED2 11
#define BTN1 2
#define BTN2 3

void setup() {
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);

  pinMode(BTN1, INPUT_PULLUP); // tombol aktif LOW
  pinMode(BTN2, INPUT_PULLUP); // tombol aktif LOW
}

void loop() {
  // --- Button1: nyalakan LED1 terus selama ditekan ---
  if (digitalRead(BTN1) == LOW) {
    digitalWrite(LED1, HIGH);
  } else {
    digitalWrite(LED1, LOW);
  }

  // --- Button2: LED2 berkedip selama ditekan ---
  if (digitalRead(BTN2) == LOW) {
    digitalWrite(LED2, HIGH);
    delay(500); // nyala 0.5 detik
    digitalWrite(LED2, LOW);
    delay(500); // mati 0.5 detik
  } else {
    digitalWrite(LED2, LOW); // pastikan mati saat tombol dilepas
  }
}