#include <LiquidCrystal_I2C.h>  
int ledPin = 3;  
int ldrPin = A0;  


LiquidCrystal_I2C lcd(0x27, 16, 2);  

void setup() {
lcd.init();
lcd.backlight(); 
Serial.begin(9600); 
pinMode(ledPin, OUTPUT);
pinMode(ldrPin, INPUT);
lcd.begin(16,2);
lcd.print("KECERAHAN: ");

}

void loop() {
  int statusldr = analogRead(ldrPin);  
  if (statusldr >= 200) {
   digitalWrite(ledPin, HIGH); 
   delay(500);
   Serial.print("Gelap, Led Hidup :");
   lcd.setCursor(0, 1);
   lcd.print("GELAP:led hidup"); 
   lcd.print("   ");
   delay(500);  
  } else {
   digitalWrite(ledPin, LOW);  
   Serial.print("Terang, Led Mati :");
   lcd.setCursor(0, 1);
    lcd.print("TERANG:led mati");
    lcd.print("   ");
    delay(500);  
  }
}