int button1 = 16;
int led1 = 14;
int input1;
int StatusAkhir = LOW;

void setup() {
  pinMode (led1, OUTPUT);
  pinMode(button1, INPUT_PULLUP);
}

void loop() {
  // baca button
    int input1 = digitalRead(button1);

  if (input1 == LOW && StatusAkhir == LOW) {
    delay(100);
    digitalWrite(led1, HIGH);
    StatusAkhir = HIGH;
  }
  else if (input1 == LOW && StatusAkhir == HIGH) {
    delay(100);
    digitalWrite(led1, LOW);
    StatusAkhir = LOW;
  }
}