#include <LiquidCrystal_I2C.h>
#include <Wire.h>

#define btnUP 8
#define btnDW 7
#define btnSL 6

int btnDel = 150;

int btnUP_S;
int btnDW_S;
int btnSL_S;
int count = 0;
LiquidCrystal_I2C lcd(0x27, 20, 4);


void setup() {
  // put your setup code here, to run once:
Serial.begin(115200);
pinMode(btnUP, INPUT_PULLUP);
pinMode(btnDW, INPUT_PULLUP);
pinMode(btnSL, INPUT_PULLUP);

lcd.init();
lcd.backlight();
lcd.print("LCD Display Tutorial");
lcd.setCursor(0,0);

}

void loop() {
  // put your main code here, to run repeatedly:


if(!digitalRead(btnUP)){
count++;

lcd.setCursor(0,1);
lcd.print(count);
delay(btnDel);
if (count >5){
count = 5;
lcd.setCursor(0,1);
lcd.print(count);
}

}

if(!digitalRead(btnDW)){
count--;
 
lcd.setCursor(0,1);
lcd.print(count);
delay(btnDel);
if(count <1){
count=1;
lcd.setCursor(0,1);
lcd.print(count);
}

}

}