#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0X27,16,2);
int buton;
int buton2;
int sayac=0;

void setup() {
pinMode(12,INPUT);
pinMode(13,INPUT);
lcd.begin(); 
}
void loop() {
 buton=digitalRead(13);
 buton2=digitalRead(12);
 if (buton==1)
 {
  delay(300);
  sayac=sayac+1;
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print(sayac);
 }
if(buton2==1)
{
 delay(300);
  sayac=sayac-1;
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print(sayac); 
}
}