#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include "DHT.h"
#include "RTClib.h"


#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64


Adafruit_SSD1306 oled(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);


TwoWire rtcWire = TwoWire(1);
RTC_DS1307 rtc;


#define PIN_DHT 12
#define TIPE_DHT DHT22
DHT dht(PIN_DHT, TIPE_DHT);

// Sensor LDR dan PIR
#define PIN_LDR 36 // input analog
#define PIN_PIR 14 // input digital

void setup() {
  Serial.begin(115200);
  dht.begin();

  pinMode(PIN_LDR, INPUT);
  pinMode(PIN_PIR, INPUT);

  
  Wire.begin(19, 18); 
  if (!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println("OLED tidak ditemukan");
    while (1);
  }
  oled.clearDisplay();
  oled.setTextSize(1);
  oled.setTextColor(SSD1306_WHITE);

  
  rtcWire.begin(21, 22); 
  if (!rtc.begin(&rtcWire)) {
    Serial.println("RTC tidak ditemukan.");
    while (1);
  }

  if (!rtc.isrunning()) {
    rtc.adjust(DateTime(__DATE__, __TIME__));
  }
}

void loop() {
  float suhu = dht.readTemperature();
  float kelembapan = dht.readHumidity();
  bool gerakanTerdeteksi = digitalRead(PIN_PIR);
  int nilaiLDR = analogRead(PIN_LDR);
  float lux = map(nilaiLDR, 0, 4095, 0, 1000);
  DateTime sekarang = rtc.now();

 
  oled.clearDisplay();
  oled.setCursor(0, 0);
  oled.println("Nilai Parameter:");
  oled.print("Suhu: ");
  oled.print(suhu);
  oled.println(" C");

  oled.print("Kelemb: ");
  oled.print(kelembapan);
  oled.println(" %");

  oled.print("Intensitas: ");
  oled.print(lux);
  oled.println(" lux");

  oled.print("Objek: ");
  oled.println(gerakanTerdeteksi ? "Ada" : "Tidak");

  oled.print(sekarang.day());
  oled.print("/");
  oled.print(sekarang.month());
  oled.print("/");
  oled.print(sekarang.year());
  oled.print(" ");
  oled.print(sekarang.hour());
  oled.print(":");
  oled.println(sekarang.minute());

  oled.display();

  
  Serial.println("==============================");
  Serial.print("Suhu: "); Serial.print(suhu); Serial.println(" C");
  Serial.print("Kelembapan: "); Serial.print(kelembapan); Serial.println(" %");
  Serial.print("Lux: "); Serial.print(lux); Serial.println(" lux");
  Serial.print("Gerakan: "); Serial.println(gerakanTerdeteksi ? "Terdeteksi" : "Tidak");
  Serial.println("==============================\n");

  delay(2000);
}