int led =5;
int pb =2;
boolean hasilbaca;
void setup() {
  pinMode(led,OUTPUT);
  pinMode(pb,INPUT);

}

void loop() {
  hasilbaca = digitalRead(pb);
  if(hasilbaca == 1){
    digitalWrite (led,HIGH);
  }
  else{
    digitalWrite (led,LOW);
  }
  

}