int count ;
int btn = 13;
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
void setup() {
// put your setup code here, to run once:
pinMode(btn, INPUT);
lcd.init();
lcd.clear();
lcd.backlight();
}
void loop() {
// put your main code here, to run repeatedly:
lcd.setCursor(0,0);
if(digitalRead(btn) == LOW){
count ++ ;
delay(300);
}
lcd.print(count);
}