nextion_arduino_rtc_ds1308_dht22

#include <SoftwareSerial.h>
#include <Nextion.h>
#include <TimeLib.h>
#include <DS1307RTC.h>
#include <Wire.h>
#include <DHT.h>
#include <DHT_U.h>
#define DHTPIN 6
#define DHTTYPE DHT22
DHT_Unified dht(DHTPIN, DHTTYPE);
uint32_t delayMS;
int light;
const int led2 = 13;


SoftwareSerial nextion(2, 3);// Nextion TX to pin 2 and RX to pin 3 of Arduino

Nextion myNextion(nextion, 9600); //create a Nextion object named myNextion using the nextion serial port @ 9600bps

void setup() {
  Serial.begin(9600);
  dht.begin();
  myNextion.init();
  pinMode(light,INPUT);
  pinMode(13,OUTPUT);

}
void loop() {
digitalWrite(13, LOW);
  int light = "HIGH";
  int value= digitalRead(light);
  int brightness = (value);
  int bright = map(brightness, 0, 1, 5, 90);
  String dim = "dim=" + String(bright);
  myNextion.sendCommand(dim.c_str());

  sensors_event_t event;
  dht.temperature().getEvent(&event);
  myNextion.setComponentText("temp", String(event.temperature));
  //delay(100);
  dht.humidity().getEvent(&event);
  myNextion.setComponentText("fukt", String(event.relative_humidity));

 tmElements_t tm;
   (RTC.read(tm));

    if (tm.Hour == 1) {myNextion.setComponentText("tim","01");}
    if (tm.Hour == 2) {myNextion.setComponentText("tim","02");}
    if (tm.Hour == 3) {myNextion.setComponentText("tim","03");}
    if (tm.Hour == 4) {myNextion.setComponentText("tim","04");}
    if (tm.Hour == 5) {myNextion.setComponentText("tim","05");}
    if (tm.Hour == 6) {myNextion.setComponentText("tim","06");}
    if (tm.Hour == 7) {myNextion.setComponentText("tim","07");}
    if (tm.Hour == 8) {myNextion.setComponentText("tim","08");}
    if (tm.Hour == 9) {myNextion.setComponentText("tim","09");}
    if (tm.Hour > 9) {myNextion.setComponentText("tim", String(tm.Hour));}

    if (tm.Minute == 1) {myNextion.setComponentText("min","01");}
    if (tm.Minute == 2) {myNextion.setComponentText("min","02");}
    if (tm.Minute == 3) {myNextion.setComponentText("min","03");}
    if (tm.Minute == 4) {myNextion.setComponentText("min","04");}
    if (tm.Minute == 5) {myNextion.setComponentText("min","05");}
    if (tm.Minute == 6) {myNextion.setComponentText("min","06");}
    if (tm.Minute == 7) {myNextion.setComponentText("min","07");}
    if (tm.Minute == 8) {myNextion.setComponentText("min","08");}
    if (tm.Minute == 9) {myNextion.setComponentText("min","09");}
    if (tm.Minute > 9) {myNextion.setComponentText("min", String(tm.Minute));}

    if (tm.Month == 1) {myNextion.setComponentText("man","01");}
    if (tm.Month == 2) {myNextion.setComponentText("man","02");}
    if (tm.Month == 3) {myNextion.setComponentText("man","03");}
    if (tm.Month == 4) {myNextion.setComponentText("man","04");}
    if (tm.Month == 5) {myNextion.setComponentText("man","05");}
    if (tm.Month == 6) {myNextion.setComponentText("man","06");}
    if (tm.Month == 7) {myNextion.setComponentText("man","07");}
    if (tm.Month == 8) {myNextion.setComponentText("man","08");}
    if (tm.Month == 9) {myNextion.setComponentText("man","09");}
    if (tm.Month > 9) {myNextion.setComponentText("man", String(tm.Month));}

    if (tm.Day == 1) {myNextion.setComponentText("dag","01");}
    if (tm.Day == 2) {myNextion.setComponentText("dag","02");}
    if (tm.Day == 3) {myNextion.setComponentText("dag","03");}
    if (tm.Day == 4) {myNextion.setComponentText("dag","04");}
    if (tm.Day == 5) {myNextion.setComponentText("dag","05");}
    if (tm.Day == 6) {myNextion.setComponentText("dag","06");}
    if (tm.Day == 7) {myNextion.setComponentText("dag","07");}
    if (tm.Day == 8) {myNextion.setComponentText("dag","08");}
    if (tm.Day == 9) {myNextion.setComponentText("dag","09");}
    if (tm.Day > 9) {myNextion.setComponentText("dag", String(tm.Day));}
      myNextion.setComponentText("ar", String(tmYearToCalendar(tm.Year)));
     delay(1000);

     void b1PushCallback(void *ptr);  // Press event for button b1
{
  digitalWrite(13, HIGH); }
 void b1PopCallback(void *ptr);  // Release event for button b1
 { digitalWrite(13, LOW);  // Turn OFF internal LED
}