#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2); 
const int led = 0;
const int ldr = A5;
void setup() {
  // put your setup code here, to run once:
  lcd.init();
  lcd.begin(16, 2);
  lcd.backlight();
  pinMode(led, OUTPUT);
  pinMode(ldr, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
int nilaildr = analogRead(ldr);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Val.LDR:");
  lcd.setCursor(9, 0);
  lcd.print(nilaildr);
if (nilaildr > 400){
  digitalWrite(led, HIGH);
  lcd.setCursor(0, 1);
  lcd.print("Night:ON");
} else {
  digitalWrite(led, LOW);
  lcd.setCursor(0, 1);
  lcd.print("Day:OFF");
}
delay(3000);
}