#define LDR A0
#define LED 10
int data;
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C Icd(0x27,16,2);

void setup()
{
  pinMode(LED, OUTPUT);
  Icd.init();
  Icd.backlight();
  Icd.setCursor(1, 0);
  Icd.print("LIGHT SENSOR");
  delay(2000);
  Icd.clear();

}

void loop()
{
  data = analogRead(LDR);
  Icd.setCursor(1, 0);
  Icd.print("DATA:");
  Icd.print(data);
  if (data < 900)
  {
  
    digitalWrite(LED, 1);
    Icd.setCursor(6, 1);
    Icd.print("NIGHT");
    delay(1000);
    Icd.clear();
  }
  else
  {
    digitalWrite(LED, 0);
    Icd.setCursor(6, 1);
    Icd.print("DAY");
    delay(1000);
    Icd.clear();
  }
}