//NAMA : Nauval Deransyah 
//NO. ABSEN : 30
//KELAS : XII L3

int led=  13;
int i;
int pb =12;

void setup() {

Serial. begin(9600);
pinMode (12,INPUT ) ;
pinMode (13, OUTPUT);
}

void loop() {
if (digitalRead(pb )== 1)
{ i= i+1;}
delay (100);
Serial. println(i);
switch (i)
{
  case 1: 
  digitalWrite (led, HIGH );
  break;
  case 2:
  digitalWrite (led, LOW );
  break;
  default:
  i=0;
  
}
}