#include <Arduino.h>
#include <Wire.h>
#include <Adafruit_LEDBackpack.h>
#include <Adafruit_GFX.h>
#include <RTClib.h>

RTC_DS1307 rtc; // Membuat instance dari DS1307 RTC

// Define 7-segment displays
Adafruit_7segment sevenSegmentHour = Adafruit_7segment();
Adafruit_7segment sevenSegmentMinute = Adafruit_7segment();
Adafruit_7segment sevenSegmentSecond = Adafruit_7segment();

void setup() {
  // Inisialisasi koneksi I2C
  Wire.begin();

  // Inisialisasi RTC
  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC. Make sure it's properly connected and initialized.");
    while (1);
  }

  // Inisialisasi 7-segment displays
  sevenSegmentHour.begin(0x70);   // I2C address of 7-segment for the hour
  sevenSegmentMinute.begin(0x71); // I2C address of 7-segment for the minute
  sevenSegmentSecond.begin(0x72); // I2C address of 7-segment for the second

  // Set display brightness (adjust as needed)
  sevenSegmentHour.setBrightness(90);
  sevenSegmentMinute.setBrightness(90);
  sevenSegmentSecond.setBrightness(90);

  // Initialize Serial communication (for debugging)
  Serial.begin(9600);
}

void loop() {
  // Baca waktu dari RTC
  DateTime now = rtc.now();

  // Tampilkan jam
  sevenSegmentHour.print(now.hour());
  sevenSegmentHour.drawColon(true);
  sevenSegmentHour.writeDisplay();

  // Tampilkan menit
  sevenSegmentMinute.print(now.minute());
  sevenSegmentMinute.drawColon(true);
  sevenSegmentMinute.writeDisplay();

  // Tampilkan detik
  sevenSegmentSecond.print(now.second());
  sevenSegmentSecond.drawColon(false); // Matikan colon untuk detik
  sevenSegmentSecond.writeDisplay();

  delay(1000); // Delay selama 1 detik
}