#include "segmentos.h"
#include <dht.h>
#include <RTClib.h>

int segs[] = { 2, 3, 4, 5 };

uint8_t digits[] = { 6, 7, 8, 9, 10, 11, 12};

Segments seg1(digits);
dht DHT;
RTC_DS1307 rtc;

void setup() {
  Serial.begin(115200);
  seg1.init();
  for (int i : segs){
  pinMode(i, OUTPUT);
  digitalWrite(i,1);
 }
}

String setNum(DateTime num){
  char buffer[4];
  sprintf(buffer, "%04d", num);
  return String(buffer);
}

void loop() 
{
  int temp = DHT.read22(13);
  DateTime time = rtc.now();
  int cd = millis() + 20000;
  String num = setNum(time.hour(), DEC);

  for (int i = 2; i < 6; i++){
    seg1.showNum(String(num[i - 2]).toInt());
    digitalWrite(i, 0);
    digitalWrite(i, 1);
  }

  if (cd >= millis())
  {
    Serial.println("Teplota " + temp);
    cd = millis() - 10000;
  }

}


sketch.ino

diagram.json

#ifndef _SEGMENTOS_H
#define _SEGMENTOS_H
#include "Arduino.h"
#include <dht.h>
#include <RTClib.h>

class Segments{
public:
  Segments(uint8_t *arr);
  void showNum(uint8_t num);
  void init();

private:
  uint8_t segments[7];
  byte nums[10];

};
#endif

segmentos.h

#include "segmentos.h"

Segments::Segments(uint8_t *arr){
  for (int i = 0; i < 7; i++){
    segments[i] = arr[i];
  }
    nums[0] = 0x3F;
    nums[1] = 0x06;
    nums[2] = 0x5B;
    nums[3] = 0x4F;
    nums[4] = 0x66;
    nums[5] = 0x6D;
    nums[6] = 0x7D;
    nums[7] = 0x07;
    nums[8] = 0x7F;
    nums[9] = 0x6F;
}

void Segments::init(){
    for(int i : segments){
    pinMode(i, OUTPUT);
  }
}


void Segments::showNum(uint8_t num){
  for (int i = 0; i < 7; i++){
    digitalWrite(segments[i], bitRead(nums[num], i));
  }
}


segmentos.cpp

# Wokwi Library List
# See https://docs.wokwi.com/guides/libraries

DHTlib
RTClib
