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marți, 5 noiembrie 2013

Refolosirea unui afisaj de ceas "caramida din lemn" (II)

   In articolul precedent am folosit pentru partea ceas propriu-zis (ore si minute) informatiile oferite de un ceas de timp real cu DS1307, acum o sa folosesc libraria Time.h care se bazeaza pe functia millis(), care numara milisecundele de la alimentarea placii Arduino.
   Intr-un articol numit 12.4Using Arduino as a Clock sunt date si exemple de programele (sketch-uri) inclusiv un exemplu de crestere, respectiv scadere a minutelor, dar eu l-am adaptat sa modific orele si minutele, in sens crescator.
   Un ceas, care foloseste ceasul intern al lui Arduino si senzorul DHT11 pentru temperatura si umiditate, se comporta similar cu cel prezentat in articolul anterior, vedeti filmuletul humidity and temperature with DHT11 using 7-segment LED from a broken wood brick clock (IX)
iar varianta cu posibilitate de reglaj, are filmuletul numit humidity and temperature with DHT11 using 7-segment LED from a broken wood brick clock (X)
   Pentru prima varianta, schema este cea folosita si anterior:
Sketch-ul:
/*
 6-13-2011
 Spark Fun Electronics 2011
 Nathan Seidle

 This code is public domain but you buy me a beer if you use this and we meet 
 someday (Beerware license).

 4 digit 7 segment display:
 http://www.sparkfun.com/products/9483
 Datasheet: 
 http://www.sparkfun.com/datasheets/Components/LED/7-Segment/YSD-439AR6B-35.pdf

 This is an example of how to drive a 7 segment LED display from an ATmega
 without the use of current limiting resistors. This technique is very common 
 but requires some knowledge of electronics - you do run the risk of dumping 
 too much current through the segments and burning out parts of the display. 
 If you use the stock code you should be ok, but be careful editing the 
 brightness values.

 This code should work with all colors (red, blue, yellow, green) but the 
 brightness will vary from one color to the next because the forward voltage 
 drop of each color is different. This code was written and calibrated for the 
 red color.

 This code will work with most Arduinos but you may want to re-route some of 
 the pins.

 7 segments
 4 digits
 1 colon
 =
 12 pins required for full control 

 */
// modified connexion by niq_ro from http://nicuflorica.blogspot.com
// for my Luckylight KW4-563ASA
// dataseet: http://www.tme.eu/ro/Document/dfc2efde2e22005fd28615e298ea2655/KW4-563XSA.pdf

int digit1 = 11; //PWM Display pin 12 (digit1 is common anonds A1 from right side)
int digit2 = 10; //PWM Display pin 9 (digit2 is  common A2)
int digit3 = 9; //PWM Display pin 8 (digit3 is common anods A3)
int digit4 = 6; //PWM Display pin 6 (digit4 is common anods, from left side)

//Pin mapping from Arduino to the ATmega DIP28 if you need it
//http://www.arduino.cc/en/Hacking/PinMapping
int segA = 2; //Display pin 11
int segB = 3; //Display pin 7
int segC = 4; //Display pin 4
int segD = 5; //Display pin 2
int segE = 12; //Display pin 1
int segF = 7; //Display pin 10
int segG = 8; //Display pin 5
int segDP = 13; // Display pin 3

#include "DHT.h"
#define DHTPIN A2     // what pin we're connected to
#define DHTTYPE DHT11   // DHT 11 
DHT dht(DHTPIN, DHTTYPE);

#include <Wire.h>
#include "RTClib.h"
RTC_DS1307 RTC;

// Date and time functions using a DS1307 RTC connected via I2C and Wire lib
// original sketck from http://learn.adafruit.com/ds1307-real-time-clock-breakout-board-kit/
// add part with SQW=1Hz from http://tronixstuff.wordpress.com/2010/10/20/tutorial-arduino-and-the-i2c-bus/


void setup() {

  Wire.begin();
  RTC.begin();
 RTC.adjust(DateTime(__DATE__, __TIME__));
// if you need set clock... just remove // from line above this

// part code for flashing LED
Wire.beginTransmission(0x68);
Wire.write(0x07); // move pointer to SQW address
// Wire.write(0x00); // turns the SQW pin off
 Wire.write(0x10); // sends 0x10 (hex) 00010000 (binary) to control register - turns on square wave at 1Hz
// Wire.write(0x13); // sends 0x13 (hex) 00010011 (binary) 32kHz

Wire.endTransmission();

  if (! RTC.isrunning()) {
    Serial.println("RTC is NOT running!");
    // following line sets the RTC to the date & time this sketch was compiled
    RTC.adjust(DateTime(__DATE__, __TIME__));
  }
  
  
 dht.begin();

  pinMode(segA, OUTPUT);
  pinMode(segB, OUTPUT);
  pinMode(segC, OUTPUT);
  pinMode(segD, OUTPUT);
  pinMode(segE, OUTPUT);
  pinMode(segF, OUTPUT);
  pinMode(segG, OUTPUT);
  pinMode(segDP, OUTPUT);

  pinMode(digit1, OUTPUT);
  pinMode(digit2, OUTPUT);
  pinMode(digit3, OUTPUT);
  pinMode(digit4, OUTPUT);
  
//  pinMode(13, OUTPUT);

 Serial.begin(9600);
 Serial.println("test for niq_ro");
}


// here begin the main program
void loop() 
{

int h = dht.readHumidity();
int t = dht.readTemperature();

// display the temperatura
if (t < 10) // if temperature is < 10 degree
{
 for(int i = 1000 ; i >0  ; i--) {
     temperatura2(t); // this is number to diplay
   }
}
else  // if temperature is > 10 degree
 {for(int i = 1000 ; i >0  ; i--) {
     temperatura1(t); // this is number to diplay
   }
 } 

// display the humidity
   for(int i = 1000 ; i >0  ; i--) {
     umidit(h); // this is number to diplay
   }


digitalWrite(segDP, HIGH);
  DateTime now = RTC.now();
  int tp = now.hour()*100 + now.minute();
  int minutzi = now.minute()/10;
//   int timp = (now.minute(), DEC);
//   displayNumber(12); // this is number to diplay
//   int timp = 1234;
  Serial.print(now.hour(), DEC);
  Serial.print(":");
  Serial.print(now.minute(), DEC);
  Serial.print(" -> ");
  Serial.print(tp);
  Serial.println(" !");
  Serial.print(minutzi);
  Serial.print("=");
 

// here begin part with clock display
if (tp > 999)
{
  switch (minutzi) {
  case 3: 
     Serial.print(minutzi);
     for(int i = 250 ; i >0  ; i--) ora12(tp); 
     for(int i = 250 ; i >0  ; i--) ora32(tp); 
     for(int i = 250 ; i >0  ; i--) ora12(tp); 
     for(int i = 250 ; i >0  ; i--) ora32(tp); 
     for(int i = 250 ; i >0  ; i--) ora12(tp); 
     break;
   
   case 1: 
     Serial.print(minutzi);
     for(int i = 250 ; i >0  ; i--) ora11(tp); 
     for(int i = 250 ; i >0  ; i--) ora31(tp); 
     for(int i = 250 ; i >0  ; i--) ora11(tp); 
     for(int i = 250 ; i >0  ; i--) ora31(tp); 
     for(int i = 250 ; i >0  ; i--) ora11(tp); 
     break;
     
   case 4:
     Serial.print(minutzi);
     for(int i = 250 ; i >0  ; i--) ora13(tp); 
     for(int i = 250 ; i >0  ; i--) ora33(tp); 
     for(int i = 250 ; i >0  ; i--) ora13(tp); 
     for(int i = 250 ; i >0  ; i--) ora33(tp); 
     for(int i = 250 ; i >0  ; i--) ora13(tp); 
     break;
   
   default:  
     Serial.print(minutzi);
     for(int i = 250 ; i >0  ; i--) ora10(tp); 
     for(int i = 250 ; i >0  ; i--) ora30(tp); 
     for(int i = 250 ; i >0  ; i--) ora10(tp); 
     for(int i = 250 ; i >0  ; i--) ora30(tp); 
     for(int i = 250 ; i >0  ; i--) ora10(tp);
    } 
}
else
  {
  switch (minutzi) {
  case 3:
     Serial.print(minutzi);
     for(int i = 250 ; i >0  ; i--) ora22(tp); 
     for(int i = 250 ; i >0  ; i--) ora42(tp); 
     for(int i = 250 ; i >0  ; i--) ora22(tp); 
     for(int i = 250 ; i >0  ; i--) ora42(tp); 
     for(int i = 250 ; i >0  ; i--) ora22(tp); 
     break;
   
  case 1:
     Serial.print(minutzi);
     for(int i = 250 ; i >0  ; i--) ora21(tp);  
     for(int i = 250 ; i >0  ; i--) ora41(tp); 
     for(int i = 250 ; i >0  ; i--) ora21(tp); 
     for(int i = 250 ; i >0  ; i--) ora41(tp); 
     for(int i = 250 ; i >0  ; i--) ora21(tp);
     break;
   
   case 4:
     Serial.print(minutzi);
     for(int i = 250 ; i >0  ; i--) ora23(tp); 
     for(int i = 250 ; i >0  ; i--) ora43(tp); 
     for(int i = 250 ; i >0  ; i--) ora23(tp); 
     for(int i = 250 ; i >0  ; i--) ora43(tp); 
     for(int i = 250 ; i >0  ; i--) ora23(tp);
     break;
     
   default:
     Serial.print(minutzi);
     for(int i = 250 ; i >0  ; i--) ora20(tp); 
     for(int i = 250 ; i >0  ; i--) ora40(tp); 
     for(int i = 250 ; i >0  ; i--) ora20(tp); 
     for(int i = 250 ; i >0  ; i--) ora40(tp); 
     for(int i = 250 ; i >0  ; i--) ora20(tp);
}
 }
 
  Serial.println("? good");
}

/*
//Given a number, we display 10:22
//After running through the 4 numbers, the display is left turned off

//Display brightness
//Each digit is on for a certain amount of microseconds
//Then it is off until we have reached a total of 20ms for the function call
//Let's assume each digit is on for 1000us
//Each digit is on for 1ms, there are 4 digits, so the display is off for 16ms.
//That's a ratio of 1ms to 16ms or 6.25% on time (PWM).
//Let's define a variable called brightness that varies from:
//5000 blindingly bright (15.7mA current draw per digit)
//2000 shockingly bright (11.4mA current draw per digit)
//1000 pretty bright (5.9mA)
//500 normal (3mA)
//200 dim but readable (1.4mA)
//50 dim but readable (0.56mA)
//5 dim but readable (0.31mA)
//1 dim but readable in dark (0.28mA)
*/


// if temperature is >= 10 degree Celsius
void temperatura1(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
      digitalWrite(digit1, DIGIT_ON);
      lightNumber(toDisplay % 10);
      toDisplay /= 10;
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      lightNumber(toDisplay % 10);
      toDisplay /= 10;
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      lightNumber(11); // display degree symbol
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      lightNumber(12); // display C letter
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    }
     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
    digitalWrite(segDP, HIGH);
}
} 

// if temperature is < 10 degree Celsius
void temperatura2(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
      digitalWrite(digit1, DIGIT_OFF);
      lightNumber(toDisplay % 10);
      toDisplay /= 10;
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      lightNumber(toDisplay % 10);
      toDisplay /= 10;
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      lightNumber(11); // display degree symbol
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      lightNumber(12); // display C letter
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    }
     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 


// for humidity
void umidit(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
 for(int digit = 4 ; digit > 0 ; digit--) {
   //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
      digitalWrite(digit1, DIGIT_ON);
      lightNumber(toDisplay % 10);
      toDisplay /= 10;
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      lightNumber(toDisplay % 10);
      toDisplay /= 10;
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      lightNumber(11); // display degree symbol
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      lightNumber(13); // display "o" letter
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    }
     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 

// clock for hour >=10
void ora10(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_ON);
     digitalWrite(segDP, HIGH);
      break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
      break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      digitalWrite(segDP, LOW);
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
      break;
    }
    lightNumber(toDisplay % 10);
    toDisplay /= 10;
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
    digitalWrite(segDP, HIGH);
}
} 


// clock for hour >=10 and minutes is 1x
// ora e din 2 cifre si minutele incep cu cifra 1...
void ora11(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_ON);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(31); // display rotated 1 number
      digitalWrite(segDP, LOW);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 

// clock for hour >=10 and minutes is 3x
// ora e din 2 cifre si minutele incep cu cifra 3...
void ora12(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_ON);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(33); // display rotated 3
      digitalWrite(segDP, LOW);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 


// clock for hour >=10 and minutes is 4x
// ora e din 2 cifre si minutele incep cu cifra 4...
void ora13(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_ON);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(34); // display rotated 4
      digitalWrite(segDP, LOW);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 



// clock for hour <10
void ora20(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
    digitalWrite(digit1, DIGIT_OFF);
     lightNumber(10); // off first value
     digitalWrite(segDP, HIGH);
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
      break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      digitalWrite(segDP, LOW);
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
      break;
    }
    lightNumber(toDisplay % 10);
    toDisplay /= 10;
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
    digitalWrite(segDP, HIGH);
}
} 


// clock for hour <10 and minutes is 1x
// ora e din 2 cifre si minutele incep cu cifra 1...
void ora21(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(31); // display rotated 1 number
      digitalWrite(segDP, LOW);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 

// clock for hour <10 and minutes is 3x
// ora e din 2 cifre si minutele incep cu cifra 3...
void ora22(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(33); // display rotated 3
      digitalWrite(segDP, LOW);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 


// clock for hour <10 and minutes is 4x
// ora e din 2 cifre si minutele incep cu cifra 4...
void ora23(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(34); // display rotated 4
      digitalWrite(segDP, LOW);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 

// clock for hour >=10
void ora30(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_ON);
     digitalWrite(segDP, HIGH);
      break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, HIGH);
      break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      digitalWrite(segDP, HIGH);
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
      break;
    }
    lightNumber(toDisplay % 10);
    toDisplay /= 10;
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
    digitalWrite(segDP, HIGH);
}
} 


// clock for hour >=10 and minutes is 1x
// ora e din 2 cifre si minutele incep cu cifra 1...
void ora31(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_ON);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(31); // display rotated 1 number
      digitalWrite(segDP, HIGH);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 

// clock for hour >=10 and minutes is 3x
// ora e din 2 cifre si minutele incep cu cifra 3...
void ora32(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_ON);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(33); // display rotated 3
      digitalWrite(segDP, HIGH);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 


// clock for hour >=10 and minutes is 4x
// ora e din 2 cifre si minutele incep cu cifra 4...
void ora33(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_ON);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(34); // display rotated 4
      digitalWrite(segDP, HIGH);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 



// clock for hour <10
void ora40(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
    digitalWrite(digit1, DIGIT_OFF);
     lightNumber(10); // off first value
     digitalWrite(segDP, HIGH);
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, HIGH);
      break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      digitalWrite(segDP, HIGH);
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
      break;
    }
    lightNumber(toDisplay % 10);
    toDisplay /= 10;
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
    digitalWrite(segDP, HIGH);
}
} 


// clock for hour <10 and minutes is 1x
// ora e din 2 cifre si minutele incep cu cifra 1...
void ora41(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(31); // display rotated 1 number
      digitalWrite(segDP, HIGH);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 

// clock for hour <10 and minutes is 3x
// ora e din 2 cifre si minutele incep cu cifra 3...
void ora42(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(33); // display rotated 3
      digitalWrite(segDP,HIGH);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 


// clock for hour <10 and minutes is 4x
// ora e din 2 cifre si minutele incep cu cifra 4...
void ora43(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(34); // display rotated 4
      digitalWrite(segDP, HIGH);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 




//Given a number, turns on those segments
//If number == 10, then turn off number
void lightNumber(int numberToDisplay) {

#define SEGMENT_ON  LOW
#define SEGMENT_OFF HIGH

  switch (numberToDisplay){

  case 0:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_OFF);
    break;

  case 1:
    digitalWrite(segA, SEGMENT_OFF);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_OFF);
    digitalWrite(segE, SEGMENT_OFF);
    digitalWrite(segF, SEGMENT_OFF);
    digitalWrite(segG, SEGMENT_OFF);
    break;

  case 2:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_OFF);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_OFF);
    digitalWrite(segG, SEGMENT_ON);
    break;

  case 3:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_OFF);
    digitalWrite(segF, SEGMENT_OFF);
    digitalWrite(segG, SEGMENT_ON);
    break;

  case 4:
    digitalWrite(segA, SEGMENT_OFF);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_OFF);
    digitalWrite(segE, SEGMENT_OFF);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_ON);
    break;

  case 5:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_OFF);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_ON);
    break;

  case 6:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_ON);
    break;

  case 7:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_OFF);
    digitalWrite(segE, SEGMENT_OFF);
    digitalWrite(segF, SEGMENT_OFF);
    digitalWrite(segG, SEGMENT_OFF);
    break;

  case 8:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_ON);
    break;

  case 9:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_OFF);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_ON);
    break;

  // all segment are ON
  case 10:
    digitalWrite(segA, SEGMENT_OFF);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_OFF);
    digitalWrite(segD, SEGMENT_OFF);
    digitalWrite(segE, SEGMENT_OFF);
    digitalWrite(segF, SEGMENT_OFF);
    digitalWrite(segG, SEGMENT_OFF);
    break;
  
  // degree symbol made by niq_ro
  case 11:
    digitalWrite(segA, SEGMENT_OFF);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_OFF);
    digitalWrite(segG, SEGMENT_ON);
    break;

  // C letter made by niq_ro
  case 12:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_OFF);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_OFF);
    break;
  
 // "o mic" letter made by niq_ro
  case 13:
    digitalWrite(segA, SEGMENT_OFF);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_OFF);
    digitalWrite(segG, SEGMENT_ON);
    break;
    
 // "rotated 3" made by niq_ro
  case 33:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_OFF);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_ON);
    break;
 
 // "rotated 1" made by niq_ro
  case 31:
    digitalWrite(segA, SEGMENT_OFF);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_OFF);
    digitalWrite(segD, SEGMENT_OFF);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_OFF);
    break;
    
  // "rotated 4" made by niq_ro
  case 34:
    digitalWrite(segA, SEGMENT_OFF);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_OFF);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_ON);
    break; 
  }
}
   Pentru reglaj al orelor si minutelor se completeaza schema cu 2 taste (butoane fara retinere):
iar un sketch, care functioneaza este:
// niq_ro's sketch made ​​from a combination of several programs from web
// see also http://www.nicuflorica.blogspot.com
int digit1 = 11; 
int digit2 = 10; 
int digit3 = 9; 
int digit4 = 6; 

int segA = 2; 
int segB = 3; 
int segC = 4; 
int segD = 5; 
int segE = 12;
int segF = 7; 
int segG = 8; 
int segDP = 13; 

#include "DHT.h"
#define DHTPIN A2     // what pin we're connected to
#define DHTTYPE DHT11   // DHT 11 
DHT dht(DHTPIN, DHTTYPE);

#include <Time.h>
// see https://www.inkling.com/read/arduino-cookbook-michael-margolis-2nd/chapter-12/recipe-12-4

//const int  btnhour = 14;   // button to move hour up 
//const int  btnminute = 15; // button to move minute up
//int minut = 0;
//int ora = 0;


void setup() {

 dht.begin();

  pinMode(segA, OUTPUT);
  pinMode(segB, OUTPUT);
  pinMode(segC, OUTPUT);
  pinMode(segD, OUTPUT);
  pinMode(segE, OUTPUT);
  pinMode(segF, OUTPUT);
  pinMode(segG, OUTPUT);
  pinMode(segDP, OUTPUT);

  pinMode(digit1, OUTPUT);
  pinMode(digit2, OUTPUT);
  pinMode(digit3, OUTPUT);
  pinMode(digit4, OUTPUT);
  
//  pinMode(13, OUTPUT);

 Serial.begin(9600);
 Serial.println("test for niq_ro");
 
 setTime(20,55,0,2,11,13); // set time at 20:55 in 02.nov.2013
 Serial.println("20:55 - 02.11.2013");
 
 
 // digitalWrite(btnhour, HIGH);   // enable internal pull-up resistors
 // digitalWrite(btnminute, HIGH); // enable internal pull-up resistors
  digitalWrite(A0, HIGH);   // enable internal pull-up resistors
  digitalWrite(A1, HIGH); // enable internal pull-up resistors
 
 
}


// here begin the main program
void loop() 
{

  digitalClockDisplay();
//  delay(1000);
  
//   while(digitalRead(btnminute)== LOW)
   while(digitalRead(A1)== LOW)
  {
     int m= minute()+1;
     setTime(hour(),m,0,2,11,13);
     digitalClockDisplay(); // update clock   
     delay(500); 
  }
  
   while(digitalRead(A0)== LOW)
  {
     int has= hour()+1;
     setTime(has,minute(),0,2,11,13);
     digitalClockDisplay(); // update clock   
     delay(500); 
  }
  
  
  
  
int h = dht.readHumidity();
int t = dht.readTemperature();

// display the temperatura
if (t < 10) // if temperature is < 10 degree
{
 for(int i = 1000 ; i >0  ; i--) {
     temperatura2(t); // this is number to diplay
   }
}
else  // if temperature is > 10 degree
 {for(int i = 1000 ; i >0  ; i--) {
     temperatura1(t); // this is number to diplay
   }
 } 

// display the humidity
   for(int i = 1000 ; i >0  ; i--) {
     umidit(h); // this is number to diplay
   }


digitalWrite(segDP, HIGH);
//  DateTime now = RTC.now();
//  int tp = now.hour()*100 + now.minute();
//  int minutzi = now.minute()/10;

int tp = hour()*100 + minute();
int minutzi = minute()/10;


  Serial.print(hour(), DEC);
  
  Serial.print(":");
 // Serial.print(now.minute(), DEC);
  Serial.print(minute(), DEC);
  Serial.print(" -> ");
  Serial.print(tp);
  Serial.println(" !");
  Serial.print(minutzi);
  Serial.print("=");
 

// here begin part with clock display
if (tp > 999)
{
  switch (minutzi) {
  case 3: 
     Serial.print(minutzi);
     for(int i = 1000 ; i >0  ; i--) ora12(tp); 
     break;
   
   case 1: 
     Serial.print(minutzi);
     for(int i = 1000 ; i >0  ; i--) ora11(tp); 
     break;
     
   case 4:
     Serial.print(minutzi);
     for(int i = 1000 ; i >0  ; i--) ora13(tp); 
     break;
   
   default:  
     Serial.print(minutzi);
     for(int i = 1000 ; i >0  ; i--) ora10(tp); 
    } 
}
else
  {
  switch (minutzi) {
  case 3:
     Serial.print(minutzi);
     for(int i = 1000 ; i >0  ; i--) ora22(tp); 
     break;
   
  case 1:
     Serial.print(minutzi);
     for(int i = 1000 ; i >0  ; i--) ora21(tp);  
     break;
   
   case 4:
     Serial.print(minutzi);
     for(int i = 1000 ; i >0  ; i--) ora23(tp); 
     break;
     
   default:
     Serial.print(minutzi);
     for(int i = 1000 ; i >0  ; i--) ora20(tp); 
  }
 }
 
  Serial.println("? good");
}


// if temperature is >= 10 degree Celsius
void temperatura1(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
      digitalWrite(digit1, DIGIT_ON);
      lightNumber(toDisplay % 10);
      toDisplay /= 10;
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      lightNumber(toDisplay % 10);
      toDisplay /= 10;
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      lightNumber(11); // display degree symbol
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      lightNumber(12); // display C letter
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    }
     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
    digitalWrite(segDP, HIGH);
}
} 

// if temperature is < 10 degree Celsius
void temperatura2(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
      digitalWrite(digit1, DIGIT_OFF);
      lightNumber(toDisplay % 10);
      toDisplay /= 10;
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      lightNumber(toDisplay % 10);
      toDisplay /= 10;
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      lightNumber(11); // display degree symbol
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      lightNumber(12); // display C letter
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    }
     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 


// for humidity
void umidit(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
 for(int digit = 4 ; digit > 0 ; digit--) {
   //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
      digitalWrite(digit1, DIGIT_ON);
      lightNumber(toDisplay % 10);
      toDisplay /= 10;
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      lightNumber(toDisplay % 10);
      toDisplay /= 10;
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      lightNumber(11); // display degree symbol
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      lightNumber(13); // display "o" letter
      delayMicroseconds(DISPLAY_BRIGHTNESS); 
      break;
    }
     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 

// clock for hour >=10
void ora10(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_ON);
     digitalWrite(segDP, HIGH);
      break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
      break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      digitalWrite(segDP, LOW);
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
      break;
    }
    lightNumber(toDisplay % 10);
    toDisplay /= 10;
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
    digitalWrite(segDP, HIGH);
}
} 


// clock for hour >=10 and minutes is 1x
// ora e din 2 cifre si minutele incep cu cifra 1...
void ora11(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_ON);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(31); // display rotated 1 number
      digitalWrite(segDP, LOW);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 

// clock for hour >=10 and minutes is 3x
// ora e din 2 cifre si minutele incep cu cifra 3...
void ora12(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_ON);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(33); // display rotated 3
      digitalWrite(segDP, LOW);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 


// clock for hour >=10 and minutes is 4x
// ora e din 2 cifre si minutele incep cu cifra 4...
void ora13(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_ON);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(34); // display rotated 4
      digitalWrite(segDP, LOW);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 



// clock for hour <10
void ora20(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
    digitalWrite(digit1, DIGIT_OFF);
     lightNumber(10); // off first value
     digitalWrite(segDP, HIGH);
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
      break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      digitalWrite(segDP, LOW);
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
      break;
    }
    lightNumber(toDisplay % 10);
    toDisplay /= 10;
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
    digitalWrite(segDP, HIGH);
}
} 


// clock for hour <10 and minutes is 1x
// ora e din 2 cifre si minutele incep cu cifra 1...
void ora21(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(31); // display rotated 1 number
      digitalWrite(segDP, LOW);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 

// clock for hour <10 and minutes is 3x
// ora e din 2 cifre si minutele incep cu cifra 3...
void ora22(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(33); // display rotated 3
      digitalWrite(segDP, LOW);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 


// clock for hour <10 and minutes is 4x
// ora e din 2 cifre si minutele incep cu cifra 4...
void ora23(int toDisplay) {
#define DISPLAY_BRIGHTNESS  500
#define DIGIT_ON  HIGH
#define DIGIT_OFF  LOW
  for(int digit = 4 ; digit > 0 ; digit--) {
    //Turn on a digit for a short amount of time
    switch(digit) {
    case 1:
     digitalWrite(digit1, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
     lightNumber(toDisplay % 10);
       toDisplay /= 10;
     break;
   case 2:
      digitalWrite(digit2, DIGIT_ON);
      digitalWrite(segDP, LOW);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
       break;
    case 3:
      digitalWrite(digit3, DIGIT_ON);
      //digitalWrite(segDP, HIGH);
      lightNumber(34); // display rotated 4
      digitalWrite(segDP, LOW);
    //   lightNumber(toDisplay % 10);
        toDisplay /= 10;
    
      break;
    case 4:
      digitalWrite(digit4, DIGIT_ON);
      digitalWrite(segDP, HIGH);
       lightNumber(toDisplay % 10);
        toDisplay /= 10;
      break;
    }
   
    delayMicroseconds(DISPLAY_BRIGHTNESS); 

     //Turn off all segments
    lightNumber(10); 

    //Turn off all digits
    digitalWrite(digit1, DIGIT_OFF);
    digitalWrite(digit2, DIGIT_OFF);
    digitalWrite(digit3, DIGIT_OFF);
    digitalWrite(digit4, DIGIT_OFF);
     digitalWrite(segDP, HIGH);
}
} 



//Given a number, turns on those segments
//If number == 10, then turn off number
void lightNumber(int numberToDisplay) {

#define SEGMENT_ON  LOW
#define SEGMENT_OFF HIGH

  switch (numberToDisplay){

  case 0:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_OFF);
    break;

  case 1:
    digitalWrite(segA, SEGMENT_OFF);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_OFF);
    digitalWrite(segE, SEGMENT_OFF);
    digitalWrite(segF, SEGMENT_OFF);
    digitalWrite(segG, SEGMENT_OFF);
    break;

  case 2:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_OFF);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_OFF);
    digitalWrite(segG, SEGMENT_ON);
    break;

  case 3:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_OFF);
    digitalWrite(segF, SEGMENT_OFF);
    digitalWrite(segG, SEGMENT_ON);
    break;

  case 4:
    digitalWrite(segA, SEGMENT_OFF);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_OFF);
    digitalWrite(segE, SEGMENT_OFF);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_ON);
    break;

  case 5:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_OFF);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_ON);
    break;

  case 6:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_ON);
    break;

  case 7:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_OFF);
    digitalWrite(segE, SEGMENT_OFF);
    digitalWrite(segF, SEGMENT_OFF);
    digitalWrite(segG, SEGMENT_OFF);
    break;

  case 8:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_ON);
    break;

  case 9:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_ON);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_OFF);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_ON);
    break;

  // all segment are ON
  case 10:
    digitalWrite(segA, SEGMENT_OFF);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_OFF);
    digitalWrite(segD, SEGMENT_OFF);
    digitalWrite(segE, SEGMENT_OFF);
    digitalWrite(segF, SEGMENT_OFF);
    digitalWrite(segG, SEGMENT_OFF);
    break;
  
  // degree symbol made by niq_ro
  case 11:
    digitalWrite(segA, SEGMENT_OFF);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_OFF);
    digitalWrite(segG, SEGMENT_ON);
    break;

  // C letter made by niq_ro
  case 12:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_OFF);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_OFF);
    break;
  
 // "o mic" letter made by niq_ro
  case 13:
    digitalWrite(segA, SEGMENT_OFF);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_OFF);
    digitalWrite(segG, SEGMENT_ON);
    break;
    
 // "rotated 3" made by niq_ro
  case 33:
    digitalWrite(segA, SEGMENT_ON);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_OFF);
    digitalWrite(segD, SEGMENT_ON);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_ON);
    break;
 
 // "rotated 1" made by niq_ro
  case 31:
    digitalWrite(segA, SEGMENT_OFF);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_OFF);
    digitalWrite(segD, SEGMENT_OFF);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_OFF);
    break;
    
  // "rotated 4" made by niq_ro
  case 34:
    digitalWrite(segA, SEGMENT_OFF);
    digitalWrite(segB, SEGMENT_OFF);
    digitalWrite(segC, SEGMENT_ON);
    digitalWrite(segD, SEGMENT_OFF);
    digitalWrite(segE, SEGMENT_ON);
    digitalWrite(segF, SEGMENT_ON);
    digitalWrite(segG, SEGMENT_ON);
    break;
    
  }

 
}

void digitalClockDisplay(){
  // digital clock display of the time
  Serial.print(hour());
  printDigits(minute());
  printDigits(second());
  Serial.print(" ");
  Serial.print(day());
  Serial.print(" ");
  Serial.print(month());
  Serial.print(" ");
  Serial.print(year());
  Serial.println();
}

void printDigits(int digits){
  // utility function for clock display: prints preceding colon and leading 0
  Serial.print(":");
  if(digits < 10)
    Serial.print('0');
  Serial.print(digits);
}
   
   Cam atat... pentru moment.

19.11.2013
   In unele cazuri precizia lasa de dorit, pe unele placi aparand erori de 2-3 minute la 24 de ore, datorita cristaleor de cuart.

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