#define merah 13
#define tombol 7

void setup() {
  //put your code here, to run once
  pinMode(merah, OUTPUT);
  pinMode(tombol, INPUT);
}

void loop() {
  //put your code here, to run repeatedly
  if(digitalRead(tombol) == HIGH){
    digitalWrite(13, HIGH);
    delay(1000);
  }
  else{
    digitalWrite(13, LOW);
  }
}