#include "DHT.h"
#include <LiquidCrystal.h>
#include "RTClib.h"
#include <Wire.h>

#define DHTPIN 23
#define DHTTYPE DHT22
#define LDRPIN 33

DHT dht(DHTPIN, DHTTYPE);
RTC_DS1307 rtc;
LiquidCrystal lcd(2, 4, 15, 5, 18, 19);

int threshold = 500;

void setup() {
  dht.begin();
    lcd.begin(20, 4);
  pinMode(LDRPIN, INPUT);
  rtc.begin();
  }

void loop() {
  DateTime now =  rtc.now();
  lcd.setCursor (3,0);
  lcd.print("BPVP SAMARINDA");
  lcd.setCursor (5,2);
  lcd.print("TAHUN 2023");
  lcd.setCursor (4,3);
  lcd.print("ELEKTRONIKA");
  delay(2000);
  lcd.clear();

  lcd.setCursor(0, 0);
  lcd.print("Hari: ");
  lcd.print(now.dayOfTheWeek());
  lcd.setCursor(0, 1);
  lcd.print("Tanggal: ");
  lcd.print(now.day());
  lcd.print("/");
  lcd.print(now.month());
  lcd.print("/");
  lcd.print(now.year());
  lcd.setCursor(0, 2);
  lcd.print("Jam: ");
  lcd.print(now.hour());
  lcd.print(":");
  lcd.print(now.minute());
  lcd.print(":");
  lcd.print(now.second());
  delay(2000);
  lcd.clear();

  //delay(2000);
  //float h = dht.readHumidity();
  //float t = dht.readTemperature();
  lcd.setCursor(0, 0);
  lcd.print("Suhu: ");
  lcd.print(dht.readTemperature());
  lcd.print("C");
  lcd.setCursor(0, 1);
  lcd.print("Kelembapan: ");
  lcd.print(dht.readHumidity());
  lcd.print("%");
  delay(2000);
  lcd.clear();

  int ldr = analogRead(LDRPIN);
  lcd.setCursor (6, 0);
  lcd.print("LUX: ");
  lcd.print(ldr);

  if (ldr >= threshold) {
    lcd.setCursor(7,2);
    lcd.print("Terang");
  } else {
    lcd.setCursor(7, 3);
    lcd.print("Gelap");
    //delay(2000);
    //lcd.clear(); 
  }
  delay(2000);
  lcd.clear();
}