#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

#define led_merah 6
#define led_kuning 7
#define tombol_hijau 4
#define tombol_biru 5
#define tombol_putih 3

int count_merah = 0; 
int count_kuning = 0; 

void setup() {
   lcd.init();
   lcd.backlight();
   lcd.setCursor(0,0);
   lcd.print("MERAH = 0");
   lcd.setCursor(0,1);
   lcd.print("KUNING = 0");
   
   pinMode(led_merah, OUTPUT);
   pinMode(led_kuning, OUTPUT);
   pinMode(tombol_hijau, INPUT_PULLUP);
   pinMode(tombol_biru, INPUT_PULLUP);
   pinMode(tombol_putih, INPUT_PULLUP);
}

void loop() {
  if(digitalRead(tombol_hijau) == LOW) {
    for(int i = 0; i < 10; i++) {
      count_merah++; 
      lcd.setCursor(8, 0); // 
      lcd.print(count_merah);
      digitalWrite(led_merah, HIGH);
      delay(300);
      digitalWrite(led_merah, LOW);
      delay(300);
    }
  }
  else if(digitalRead(tombol_biru) == LOW) {
    for(int i = 0; i < 5; i++) {
      count_kuning++;
      lcd.setCursor(9, 1); 
      lcd.print(count_kuning);
      digitalWrite(led_kuning, HIGH);
      delay(300);
      digitalWrite(led_kuning, LOW);
      delay(300);
    }
  }
  else if(digitalRead(tombol_putih) == LOW) {
    count_merah = 0;
    count_kuning = 0;
    lcd.setCursor(8, 0);
    lcd.print("0 ");
    lcd.setCursor(9, 1); 
    lcd.print("0 ");
  }
}