#include <Wire.h>
#include <RTClib.h>
#include <TM1637Display.h>

RTC_DS3231 rtc;
TM1637Display display(7,3);


void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);

  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC");
    while (1);
  }

  if (rtc.lostPower()) {
    Serial.println("RTC lost power, let's set the time!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));

  }

  display.setBrightness(0x0f);
}

void loop() {
  // put your main code here, to run repeatedly:
DateTime now = rtc.now();

int hour = now.hour();
int minute = now.minute();

display.showNumberDecEx(hour * 100 + minute, 0b11100000, true);

delay(1000);
}