#include <Wire.h>
#include <RTClib.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_Sensor.h>
#include <DHT.h>
#define SCREEN_WIDTH 128 
#define SCREEN_HEIGHT 64
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
#define DHTPIN 4
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);
RTC_DS1307 rtc;

void setup() 
{
  Serial.begin(115200);
  if(!rtc.begin())
  {
    Serial.println("RTC Tidak ditemukan");
    while(1);
  }
  if(!rtc.isrunning())
  {
    Serial.println("RTC Belum Jalan");
    rtc.adjust(DateTime(F(__DATE__),F(__TIME__)));
  }
  if(!display.begin(SSD1306_SWITCHCAPVCC, 0X3C))
  {
    Serial.println(F("SSD1306 FAILED"));
  }
  display.display();
  delay(2000);
  display.clearDisplay();
  dht.begin();
}

void loop() 
{
  DateTime now = rtc.now();
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  if (isnan(h) || isnan(t))
  {
    Serial.println(F("Sensor DHT Failed"));
    return;
  }
  display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(SSD1306_WHITE);
  display.setCursor(12,0);
  display.print(now.day(),DEC);
  display.print('-');
  display.print(now.month(),DEC);
  display.print('-');
  display.print(now.year(),DEC);
  display.print(' ');
  display.print(now.hour(),DEC);
  display.print(':');
  display.print(now.minute(),DEC);
  display.print(':');
  display.print(now.second(),DEC);
  display.setCursor(0,20);
  display.print(F("Suhu       : "));
  display.print(t);
  display.print(F(" C"));
  display.setCursor(0,35);
  display.print(F("Kelembaban : "));
  display.print(h);
  display.print(F(" %"));
  display.setCursor(0,55);
  display.print("AHMAD HARYADHI XIIB2");
  display.startscrollleft(0x36, 0x37);
  display.display();
  delay(2000);
}