//Ghani Rizky
//XI PPLG A

#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);

const int tombol = 3;
const int tomboloff = 2;
const int led1 = 7;

void setup(){
  pinMode(tombol,INPUT_PULLUP);
  pinMode(tomboloff, INPUT_PULLUP);
  pinMode(led1, OUTPUT);
      // Init
  lcd.init();
  lcd.backlight();

  Serial.begin(115200);
  Serial.println("program LCD  LED - button serial");
  Serial.println("programe : nama...");
  Serial.println("date 23/7/2024");
  Serial.println("-------------");
  lcd.setCursor(0,0); lcd.print("lcd 2 button");
  lcd.setCursor(0,1); lcd.print("Red And green SW");
  delay(2000);
  lcd.setCursor(0,0); lcd.print("tekan lcd1 : on");
  lcd.setCursor(0,1); lcd.print("tekan lcd2 : off");
}

void loop(){

  int tstat = digitalRead(tombol);
  int tostat = digitalRead(tomboloff);
  if(tostat == LOW){
    digitalWrite(led1, HIGH);
    lcd.setCursor(0,0); lcd.print("Status : nyala ");
  lcd.setCursor(0,1); lcd.print("*****************");
  Serial.println("LED NYALA");
  delay(1000);

  }
  else if(tstat == LOW){
  digitalWrite(led1, LOW);
  lcd.setCursor(0,0); lcd.print("Status : mati ");
  lcd.setCursor(0,1); lcd.print("*****************");
  Serial.println("LED MATI");
  delay(1000);
}
}