[danyy11]

np:co z tym kodem jest nie tak

#include <Time.h>
#include <Wire.h>          
#include <LiquidCrystal_I2C.h>
#include <DS1302RTC.h>



DS1302RTC RTC(27, 29, 31);


#define DS1302_GND_PIN 33
#define DS1302_VCC_PIN 35
#include <Time.h>


LiquidCrystal_I2C lcd();

void setup() {
  
  
  lcd.begin(20, 4);
  
  
  digitalWrite(DS1302_GND_PIN, LOW);
  pinMode(DS1302_GND_PIN, OUTPUT);

  digitalWrite(DS1302_VCC_PIN, HIGH);
  pinMode(DS1302_VCC_PIN, OUTPUT);

  lcd.print("RTC activated");

  delay(500);
  
  lcd.clear();
  if (RTC.haltRTC())
    lcd.print("Clock stopped!");
  else
    lcd.print("Clock working.");

  lcd.setCursor(0,1);
  if (RTC.writeEN())
    lcd.print("Write allowed.");
  else
    lcd.print("Write protected.");

  delay ( 2000 );
  
    
  lcd.clear();
  lcd.print("RTC Sync");
  setSyncProvider(RTC.get);         
  if(timeStatus() == timeSet)
    lcd.print(" Ok!");
  else
    lcd.print(" FAIL!");
  
  delay ( 2000 );
  
  lcd.clear();
}

void loop()
{
  static int sday = 0; 

  
  lcd.setCursor(3, 0);
  print2digits(hour());
  lcd.print("  ");
  print2digits(minute());
  lcd.print("  ");
  print2digits(second());
  
  // Update in 00:00:00 hour only
  if(sday != day()) {
    
    lcd.setCursor(0, 1);
    lcd.print(dayShortStr(weekday()));

    
    lcd.setCursor(5, 1);
    lcd.print(" ");
    print2digits(day());
    lcd.print("/");
    print2digits(month());
    lcd.print("/");
    lcd.print(year());
  }
 
  if(timeStatus() != timeSet) {
    lcd.setCursor(0, 1);
    lcd.print(F("RTC ERROR: SYNC!"));
  }

  
  sday = day();

  
  delay (100);
}

void print2digits(int number) {
  if (number >= 0 && number < 10) {
    lcd.write('_');
  }
  lcd.print(number);
}