#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcdSatu(0x27, 16, 2);

const int pinLdr = 25;
const int pinLed = 26;

void setup() {
  lcdSatu.init();
  lcdSatu.backlight();
  pinMode(pinLdr, INPUT);
  pinMode(pinLed, OUTPUT);
}

void loop() {
  int ldr = analogRead(pinLdr);   // baca nilai analog

  lcdSatu.setCursor(0,0);
  lcdSatu.print("LDR: ");
  lcdSatu.print(ldr);

  lcdSatu.setCursor(0,1);
  if(ldr < 2000){                 // jika nilai analog kurang dari 2000
    lcdSatu.print("Siang");
    digitalWrite(pinLed, LOW);
  } else { 
    lcdSatu.print("Malam");
    digitalWrite(pinLed, HIGH);
  }

  delay(200); // this speeds up the simulation
}