// Pemrograman 1 LED, 1 Pushbutton 
int led = 2 ; 
int tombol = 3 ; 
int jumlahtekan ; 

void setup() {
  pinMode(led, OUTPUT);
  pinMode(tombol, INPUT_PULLUP);
}

void loop() {
int pencettombol = digitalRead(tombol); 
if ( pencettombol == LOW){
jumlahtekan ++; 
delay(200);
if(jumlahtekan ==1 ){ 
digitalWrite(led, HIGH);} 
else if( jumlahtekan ==2){
  digitalWrite(led, LOW);
  jumlahtekan = 0;} 
}
}