const int lad1 = 7;
const int sw1 = 5; // on
const int sw2 = 6; // off
#include <LiquidCrystal_I2C.h>

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

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMN, LCD_LINES);

void setup() 
{

  Serial.begin(115200);
  Serial.println("Program lCD-LED-Button-Serial");
  Serial.println("progremer:Queen Shayna");
  Serial.println("date:24/07/2024");
  Serial.println("...........");
  

  lcd.setCursor(0, 0); lcd.print("Tekan sw :on");
  lcd.setCursor(0, 0); lcd.print("Tekan sw :off");


  pinMode(lad1 , OUTPUT);
  pinMode(sw1 , INPUT_PULLUP);
  pinMode(sw2 , INPUT_PULLUP);
    
   lcd.init();
   lcd.backlight();

   lcd.setCursor(3, 0);
   lcd.print("QUEEN");
   lcd.setCursor(2, 1);
   lcd.print("XI PPLGA");

}

void loop() 
{ 
  int swStat1 = digitalRead(sw1);
  int swStat2 = digitalRead(sw2);

  if  (swStat1==LOW)
  {digitalWrite(lad1, HIGH);
  lcd.setCursor(0,0);
  lcd.print("lampu nyala");
  lcd.setCursor(0, 1); lcd.print("---------------");
  Serial.println("LED Nyala");}
  if (swStat2==LOW)
  {digitalWrite(lad1, LOW);
  lcd.setCursor(0, 0);
  lcd.print("lampu mati");
  lcd.setCursor(0, 1);
  lcd.print("-------------");
  Serial.println("LED Padam");}
  
  
}