#include <Wire.h>
   #include "LiquidCrystal_I2C.h"
   LiquidCrystal_I2C lcd(0x27, 16, 2);
   int buttonDon1 =A0;
   int buttonDw1 = A1;
   int buttonStart=A2;
   int buttonDon2 =A3;
   int buttonDw2 = A4;
  int start,sate;
  int Reflas=1,Break2;


   void setup() {
  Serial.begin(9600);
  lcd.begin();
	lcd.backlight();
  // put your setup code here, to run once:
  pinMode(13, OUTPUT);
  pinMode(buttonDon1,INPUT_PULLUP);
  pinMode(buttonDw1,INPUT_PULLUP);
  pinMode(buttonStart,INPUT_PULLUP);
  pinMode(buttonDon2,INPUT_PULLUP);
  pinMode(buttonDw2,INPUT_PULLUP);

  lcd.print("Hello world...");
	lcd.setCursor(0, 1);
	lcd.print(" i ");
	lcd.write(3);
	lcd.print(" arduinos!");
}

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

  bubtton();
  Reflaslcd();

}
   int bubtton(){
   if (digitalRead(buttonDon2)==LOW){
    Serial.print("1 << ");
    Serial.println(start);
    start--;
    delay(150);beep();Reflas=1;
   }
   if (digitalRead(buttonDw1)==LOW){
    Serial.print("1 >> ");
   Serial.println(start);
   start++;
   delay(150);beep();Reflas=1;

   }
   if (digitalRead(buttonStart)==LOW){
    delay(150);beep();Reflas=1;

   }
   if (digitalRead(buttonDon1)==LOW){
    Serial.print("2 >> ");
   Serial.println(sate);
   sate++;delay(150);beep();Reflas=2;

   }
   if (digitalRead(buttonDw2)==LOW){
    Serial.print("2 << ");
    Serial.println(sate);
   sate--;delay(150);beep();Reflas=2;

   }}
   void beep() {
    tone(13,1000,50);
    }

   void Reflaslcd(){
   switch(Reflas){case 1 ... 99:lcd.clear();break;}
   if(Reflas==1){Reflas=0;lcd.setCursor(0, 0);lcd.print(start);}
   if(Reflas==2){Reflas=0;
   lcd.setCursor(1, 0);
   if(sate==1){lcd.print("RoomLed1 On Off");}
   if(sate==2){lcd.print("RoomLed2 On Off");}
   if(sate==3){lcd.print("RoomFan1 On Off");}
   if(sate==4){lcd.print("LoobiLed1 On Off");}
   if(sate==5){lcd.print("LoobiLed2 On Off");}
   if(sate==6){lcd.print("LoobiFan1 On Off");}

  }
   }