int led = 13;
int tombol = 3;
int jumlahTekanan;

void setup() { 
  // put your setup code here, to run once:
  pinMode(led, OUTPUT);
  pinMode(tombol, INPUT_PULLUP);
}

void loop() {
  // put your main code here, to run repeatedly:
int buttonState = digitalRead(tombol);
if (buttonState == LOW)
  {
    jumlahTekanan ++;
    delay(200);
    if(jumlahTekanan==1)
    {
      digitalWrite(led, HIGH);
    }
    else if(jumlahTekanan==2)
    {
      digitalWrite(led, LOW);
      jumlahTekanan=0;
    }
  }
}