#include <Arduino.h>

#define LampuMerah 2
#define Start 4
#define Stop 3

int ledStatus = 0;

void setup() {
  // put your setup code here, to run once:
  pinMode(Start, INPUT_PULLUP);
  pinMode(Stop, INPUT_PULLUP);
  pinMode(LampuMerah, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  if(digitalRead(Start) == LOW) {
    ledStatus = 1;
      digitalWrite(LampuMerah, ledStatus);

    delay(500);
  }

  if(digitalRead(Stop) == LOW) {
    ledStatus = 0;
      digitalWrite(LampuMerah, ledStatus);

    delay(500);
  }
}