#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 led1 = 7;
const int sw1= 6;
const int swoff=5;

void setup(){
  pinMode(led1, OUTPUT);
  pinMode(sw1, INPUT_PULLUP);
  pinMode(swoff, INPUT_PULLUP);

  lcd.init();
  lcd.backlight();
  Serial.begin(115200);
  Serial.println("Program LCD-LED-Button-Serial");
  Serial.println("Programmer : Nama......");
  Serial.println("Date : 23/07/2024");
  Serial.println("----------------------------------");

  lcd.setCursor(0,0); lcd.print("Tekan sw1 : On");
  lcd.setCursor(0,1); lcd.print("Tekan sw2 : Off");
   delay(2000);
   }

void loop(){
  int sw1Stat = digitalRead(sw1);
  int swoffStat = digitalRead(swoff);
  if (sw1Stat==LOW)
    {
      digitalWrite(led1,HIGH);
      lcd.setCursor(0,0); lcd.print("Status : Nyala");
      lcd.setCursor(0,1); lcd.print("--------------");
      Serial.println("LED Nyala");
      }

  if(swoffStat==LOW)
  {digitalWrite(led1,LOW);
  lcd.setCursor(0,0); lcd.print("Status : Padam");
  lcd.setCursor(0,1); lcd.print("--------------");
      Serial.println("LED Padam");
      delay(1000);
      }
      delay(100);
}