const int LED = 13;
const int SAKLAR = 5; 
int nilai = 0;

void setup() {
  // put your setup code here, to run once:
pinMode (SAKLAR, INPUT);
pinMode (LED, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
nilai = digitalRead(SAKLAR);
if ((nilai, HIGH);
  digitalWrite (LED, HIGH);
  delay(1000);
  digitalWrite(LED, LOW);
  delay(1000);
)else(digitalWrite(LED, HIGH);
)
}