#include <LiquidCrystal_I2C.h>
//VIVIAN PRATAMA
//XI PPLG A
#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

const int led1 = 7;
const int swon = 3;
const int swoff = 2;


void setup() {
  lcd.init();
  lcd.backlight();
  Serial.begin(115200);
  Serial.println("Program PROJEK 5");
  Serial.println("Programer : vivian pratama");
  Serial.println("Date : 23/0/2024 ");
  Serial.println("_ _ _ _ _ _ _ _ _ _ _ _ _ ");
  lcd.setCursor (0, 0);   lcd.print(" LCD - 2 Button");
  lcd.setCursor (0, 1);   lcd.print(" Read and Green SW");
  delay(2000);
  lcd.setCursor (0, 0);   lcd.print("  Tekan sw1  :On");
  lcd.setCursor (0, 1);   lcd.print("  Tekan sw2 :   Off");
  pinMode(led1, OUTPUT);
  pinMode(swon, INPUT_PULLUP);
  pinMode(swoff, INPUT_PULLUP);

  
}


void loop() {
  
  int tstat = digitalRead(swon);
  int tostat = digitalRead(swoff);
  if(tstat == LOW){
  digitalWrite(led1, HIGH);
  lcd.setCursor(2, 1);
  lcd.print("LAMPU  HIDUP");
   }

  if(tostat == LOW){
  digitalWrite(led1, LOW);
  lcd.setCursor(2, 1);
  lcd.print("LAMPU  MATI ");
  }
}