//Pembuat=Billy Andika Pradana
//kelas=XI PPLG A
//Tanggal=24-07-2024

#include <LiquidCrystal_I2C.h>

#define I2C_ADDR    0x27
#define LCD_COLUMNS 30
#define LCD_LINES   4

const int led1 = 7;
const int tombolHidup= 6;
const int tombolMati =5;

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

void setup() {
  
  pinMode(led1,OUTPUT);
  pinMode(tombolHidup,INPUT_PULLUP);
  pinMode (tombolMati,INPUT_PULLUP);

  // Init
  lcd.init();
  lcd.backlight();

  Serial.begin(115200);
  Serial.println("program LCD-Button-serial");
  Serial.println("Nama :Billy andika pradana ");
  Serial.println("Date : 23/07/2024");
  Serial.println("-------------------------");
  lcd.setCursor(0,0);       lcd.print("LCD - 2 BUtton");
  lcd.setCursor(0,1);       lcd.print("Green and Red SW");
  delay(2500);
  lcd.setCursor(0,0);       lcd.print("  Tekan sw1 : on   ");
  lcd.setCursor(0,1);       lcd.print("  Tekan sw2 : off ");
}

void loop () {
int swStar = digitalRead(tombolHidup);
int swoStar=digitalRead(tombolMati);

if (swStar==LOW){
     digitalWrite(led1,HIGH);
     lcd.setCursor(2,0);        lcd.print("Status:nyala  ");
     lcd.setCursor(0,1);        lcd.print("*******");
     Serial.println("LED Nyala");
     delay(1500);}

if(swoStar==LOW){
     digitalWrite(led1,LOW);
     lcd.setCursor(2,0);        lcd.print("Status:Padam  ");
     lcd.setCursor(0,1);        lcd.print("*******");
     Serial.println("LED Mati");
     delay(1500);}
}