#include <LiquidCrystal_I2C.h>

const int ldrPin = A0;
int ldrValue;

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  // put your setup code here, to run once:
  lcd.begin(16, 2);
  lcd.init();
  lcd.backlight();
}

void loop() {
  // put your main code here, to run repeatedly:
  ldrValue = analogRead(ldrPin);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("LDR Value:");
  lcd.setCursor(0, 1);
  lcd.print(ldrValue);
  delay(500);
}