#include <TM1637.h>
#include "RTClib.h"

RTC_DS1307 rtc;

int sensorPin = 13;
int peopleCount = 0;

const int CLK = 2;
const int DIO = 3;

TM1637 tm(CLK, DIO);

void setup() {
  pinMode(sensorPin, INPUT);
  Serial.begin(9600);
  tm.init();
  tm.set(BRIGHT_TYPICAL);
}

int prev_state = 0;
void readPIR() {
  int sensorValue = digitalRead(sensorPin);

  if (sensorValue == HIGH && prev_state == LOW) {
    Serial.println(peopleCount);
    peopleCount++;
  } 
  prev_state = sensorValue;
}

void showNumber() {
  DateTime now = rtc.now();

  tm.display(0, (now.hour / 10) % 10);
  tm.display(1, now.hour % 10);
  tm.display(2, (now.minute / 10) % 10);
  tm.display(3, now.minute % 10);
}

void current_time() {
  tm.display
}

void loop() {
  // readPIR();
  // showNumber();
  current_time();
  delay(100);
}