#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);
int buton;
int sayac;
 void setup(){
  lcd.begin();
  pinMode(13,INPUT);
 }

void loop(){
  buton=digitalRead(13);
  if(buton==1){
    sayac=sayac+1;
    delay(300);
  }
  lcd.setCursor(0,0);
  lcd.print(sayac);
}