int LED[3] = {0,1,2};
int SW[2] = {8,9};
int led_status = 0;

#include <LiquidCrystal_I2C.h>

#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);
byte customChar0[8] = {
  0b00000,
  0b01010,
  0b00000,
  0b10001,
  0b01110,
  0b00000,
  0b00000,
};

void setup() {
  pinMode(LED[0], OUTPUT);
  pinMode(LED[1], OUTPUT);
  pinMode(LED[3], OUTPUT);
  pinMode(SW[0], INPUT_PULLUP);
  pinMode(SW[1], INPUT_PULLUP);
  // Init
  lcd.init();
  lcd.backlight();
  lcd.setCursor(5, 1);
  lcd.print("CHANATIPP ");
  delay(4000);
  lcd.setCursor(0, 0);
  lcd.print("Led RED:OFF ");
  lcd.setCursor(0, 1);
  lcd.print("Led GREEN:OFF ");
  lcd.setCursor(0, 2);
  lcd.print("Led YELLOW:OFF ");

}

void loop() {
if(digitalRead(SW[0]) == 0 ) {
  if(led_status==0){
    digitalWrite(LED[0], HIGH);
    digitalWrite(LED[1], HIGH);
    digitalWrite(LED[2], HIGH);
      lcd.setCursor(0, 0);
  lcd.print("Led RED: ON ");
  lcd.setCursor(0, 1);
  lcd.print("Led GREEN: ON ");
  lcd.setCursor(0, 2);
  lcd.print("Led YELLOW: ON ");
    led_status = 1;
  }
   else{
    digitalWrite(LED[0], LOW);
    digitalWrite(LED[1], LOW);
    digitalWrite(LED[2], LOW);
    lcd.setCursor(0, 0);
  lcd.print("Led RED:OFF ");
  lcd.setCursor(0, 1);
  lcd.print("Led GREEN:OFF ");
  lcd.setCursor(0, 2);
  lcd.print("Led YELLOW:OFF ");
    led_status = 0;

  }
  delay(250);
}
if(digitalRead(SW[1]) == 0 ){
  if(led_status==0){
   digitalWrite(LED[1], HIGH);
    lcd.setCursor(0, 2);
  lcd.print("Led YELLOW: ON");
     led_status = 1;
  }
  else{
    digitalWrite(LED[1], LOW);
     lcd.setCursor(0, 2);
  lcd.print("Led YELLOW:OFF ");
    led_status = 0;
  
}
  delay(250);
}
}