Arduino DIY Clock

Arduino DIY Clock with energy saving mode and a 3D printed case!

Jul 10, 2018

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energy efficiency

clocks

Devices & Components

Arduino Nano

Real Time Clock (RTC)

Hardware & Tools

Soldering iron (generic)

3D Printer (generic)

Software & Tools

Arduino IDE

Project description

Code

The code:

c_cpp

1/*
2 *    1.0
3 *  : 1.4
4 * :  
5*/
6
7#include <LowPower.h>
8#include   <Adafruit_GFX_rus.h>
9#include <Adafruit_PCD8544_rus.h>
10Adafruit_PCD8544 nokia   = Adafruit_PCD8544(4, 3, 6, 7, 8); //CLK, DIN, DC, CE, RST
11
12/*
13 * : 
14   *
15 *   -->   
16 *(1)RST    -->   8 pin
17 *(2)CE     -->   7 pin
18 *(3)DC      -->   6 pin
19 *(4)DIN    -->   3 pin
20 *(5)CLK    -->   4 pin
21 *(6)VCC     -->   10 pin     !!!     !!!
22 *(7)LIGHT  -->   -----     (     . 
23 *                                .       .)
24 *(8)GND    -->   GND
25 *
26 *  2 .
27 *
28*/
29
30/*
31 *    :
32   *    IC:
33 *    -->   
34 * SDA      -->     A4
35 * SCL      -->     A5
36   * ====   ====
37 * VCC      -->     3.3V
38 * GND      -->     GND
39*/
40
41extern   uint8_t logo[];
42
43#include <iarduino_RTC.h>                            //   iarduino_RTC       .
44iarduino_RTC time(RTC_DS1307);                       //   time    RTC      DS3231,    I2C
45
46//=================   ===================
47volatile   int sec = 15;
48volatile int minute = 8;
49volatile int hour = 15;
50volatile   int date = 22;
51volatile int Month = 6;
52volatile int Year = 18;
53volatile   int weekDay = 5;
54//==================================================
55
56
57int   day;
58int month;
59volatile boolean sleep = false;
60
61#define powerBtn 2
62#define   dispPower 10
63
64void setup() {
65  delay(3000);              // !      5. 
66                             //       ,  5   
67  pinMode(dispPower, OUTPUT);
68   digitalWrite(dispPower, HIGH);
69  pinMode(powerBtn, INPUT_PULLUP);
70  
71   delay(300);                                                            //      
72   time.begin();                                                          //    .
73   time.settime(sec,minute,hour,date,Month,Year,weekDay);                 //    :   0 , 51 , 21 , 27, , 2015 , .
74  
75  nokia.begin();
76  nokia.clearDisplay();   
77  nokia.setContrast(55);
78  nokia.drawBitmap(0, 0, logo, 84, 48, BLACK);       //   Pe
79  nokia.display();
80  delay(1500);
81  nokia.clearDisplay();
82  nokia.drawLine(0,   20, 84, 20, BLACK);
83  nokia.display();
84}
85
86//==========     !!!  =========
87void   wake_up() {
88  digitalWrite(dispPower, HIGH);
89  sleep = false;
90  nokia.begin();
91   nokia.clearDisplay(); 
92  nokia.setContrast(55);
93  nokia.display();
94  detachInterrupt(0);
95   nokia.drawBitmap(0, 0, logo, 84, 48, BLACK);       //  Pe
96  nokia.display();
97}
98//===========================================================
99
100void   loop() {
101  //==========          ==========
102  if (sleep == false && digitalRead(powerBtn)   == 0) {
103    nokia.clearDisplay();
104    nokia.drawBitmap(0, 0, logo, 84, 48,   BLACK);       //  Pe
105    nokia.display();
106    delay(1000);
107    digitalWrite(dispPower,   LOW);
108    sleep = true;
109    delay(1000);
110    attachInterrupt(0, wake_up,   LOW);
111    if (sleep == true) {LowPower.powerDown(SLEEP_FOREVER, ADC_OFF, BOD_OFF);}
112   }
113  //=========================================================================
114
115   LowPower.powerDown(SLEEP_250MS, ADC_OFF, BOD_OFF);       //      250 
116
117   //==========    ==========
118  nokia.clearDisplay();
119  nokia.drawLine(4, 25,   80, 25, BLACK);                 //  
120  time.gettime();                                       //    
121  nokia.setTextSize(2);                                 //   2 
122  nokia.setCursor(5,5);                                  //  (5     5  y)
123  nokia.print(time.Hours);                               // 
124  nokia.setTextSize(3);                                 //    3 
125  nokia.setCursor(25,2);                                // 
126  nokia.print(":");
127   nokia.setTextSize(2);
128  nokia.setCursor(40,5);
129  nokia.print(time.minutes);                             // 
130  nokia.setTextSize(1);
131  nokia.setCursor(68,5);
132   nokia.print(time.seconds);                            // 
133  //=====================================
134
135   //================     ===================
136  nokia.setCursor(13,30);
137  time.gettime();
138   //================  )))  =================
139  day = time.weekday;
140  switch   (day) {
141    case 0: 
142      nokia.print(",");
143      break;
144    case   1: 
145      nokia.print(",");
146      break;
147    case 2:
148      nokia.print(",");
149       break;
150    case 3:
151      nokia.print(",");
152      break;
153    case   4:
154      nokia.print(",");
155      break;
156    case 5:
157      nokia.print(",");
158       break;
159    case 6:
160      nokia.print(",");
161      break;
162  }
163   //====================================================
164  nokia.setCursor(40,30);
165   nokia.print(time.gettime("d.m"));
166  nokia.setCursor(10,40);
167  month =   time.month;
168  switch (month) {
169    case 1: 
170      nokia.print(", ");
171       break;
172    case 2: 
173      nokia.print(", ");
174      break;
175    case   3:
176      nokia.print(", ");
177      break;
178    case 4:
179      nokia.print(",   ");
180      break;
181    case 5:
182      nokia.print(", ");
183      break;
184     case 6:
185      nokia.print(", ");
186      break;
187    case 7:
188      nokia.print(",   ");
189      break;
190    case 8:
191      nokia.print(", ");
192      break;
193     case 9:
194      nokia.print(", ");
195      break;
196    case 10:
197      nokia.print(",   ");
198      break;
199    case 11:
200      nokia.print(", ");
201      break;
202     case 12:
203      nokia.print(", ");
204      break;
205  }
206
207  nokia.print(time.gettime("Y"));
208   //===================================================
209  
210  nokia.display();
211}
212
213
214
215

/*
 *    1.0
 *  : 1.4
 * :  
*/

#include <LowPower.h>
#include   <Adafruit_GFX_rus.h>
#include <Adafruit_PCD8544_rus.h>
Adafruit_PCD8544 nokia   = Adafruit_PCD8544(4, 3, 6, 7, 8); //CLK, DIN, DC, CE, RST

/*
 * : 
   *
 *   -->   
 *(1)RST    -->   8 pin
 *(2)CE     -->   7 pin
 *(3)DC      -->   6 pin
 *(4)DIN    -->   3 pin
 *(5)CLK    -->   4 pin
 *(6)VCC     -->   10 pin     !!!     !!!
 *(7)LIGHT  -->   -----     (     . 
 *                                .       .)
 *(8)GND    -->   GND
 *
 *  2 .
 *
*/

/*
 *    :
   *    IC:
 *    -->   
 * SDA      -->     A4
 * SCL      -->     A5
   * ====   ====
 * VCC      -->     3.3V
 * GND      -->     GND
*/

extern   uint8_t logo[];

#include <iarduino_RTC.h>                            //   iarduino_RTC       .
iarduino_RTC time(RTC_DS1307);                       //   time    RTC      DS3231,    I2C

//=================   ===================
volatile   int sec = 15;
volatile int minute = 8;
volatile int hour = 15;
volatile   int date = 22;
volatile int Month = 6;
volatile int Year = 18;
volatile   int weekDay = 5;
//==================================================


int   day;
int month;
volatile boolean sleep = false;

#define powerBtn 2
#define   dispPower 10

void setup() {
  delay(3000);              // !      5. 
                             //       ,  5   
  pinMode(dispPower, OUTPUT);
   digitalWrite(dispPower, HIGH);
  pinMode(powerBtn, INPUT_PULLUP);
  
   delay(300);                                                            //      
   time.begin();                                                          //    .
   time.settime(sec,minute,hour,date,Month,Year,weekDay);                 //    :   0 , 51 , 21 , 27, , 2015 , .
  
  nokia.begin();
  nokia.clearDisplay();   
  nokia.setContrast(55);
  nokia.drawBitmap(0, 0, logo, 84, 48, BLACK);       //   Pe
  nokia.display();
  delay(1500);
  nokia.clearDisplay();
  nokia.drawLine(0,   20, 84, 20, BLACK);
  nokia.display();
}

//==========     !!!  =========
void   wake_up() {
  digitalWrite(dispPower, HIGH);
  sleep = false;
  nokia.begin();
   nokia.clearDisplay(); 
  nokia.setContrast(55);
  nokia.display();
  detachInterrupt(0);
   nokia.drawBitmap(0, 0, logo, 84, 48, BLACK);       //  Pe
  nokia.display();
}
//===========================================================

void   loop() {
  //==========          ==========
  if (sleep == false && digitalRead(powerBtn)   == 0) {
    nokia.clearDisplay();
    nokia.drawBitmap(0, 0, logo, 84, 48,   BLACK);       //  Pe
    nokia.display();
    delay(1000);
    digitalWrite(dispPower,   LOW);
    sleep = true;
    delay(1000);
    attachInterrupt(0, wake_up,   LOW);
    if (sleep == true) {LowPower.powerDown(SLEEP_FOREVER, ADC_OFF, BOD_OFF);}
   }
  //=========================================================================

   LowPower.powerDown(SLEEP_250MS, ADC_OFF, BOD_OFF);       //      250 

   //==========    ==========
  nokia.clearDisplay();
  nokia.drawLine(4, 25,   80, 25, BLACK);                 //  
  time.gettime();                                       //    
  nokia.setTextSize(2);                                 //   2 
  nokia.setCursor(5,5);                                  //  (5     5  y)
  nokia.print(time.Hours);                               // 
  nokia.setTextSize(3);                                 //    3 
  nokia.setCursor(25,2);                                // 
  nokia.print(":");
   nokia.setTextSize(2);
  nokia.setCursor(40,5);
  nokia.print(time.minutes);                             // 
  nokia.setTextSize(1);
  nokia.setCursor(68,5);
   nokia.print(time.seconds);                            // 
  //=====================================

   //================     ===================
  nokia.setCursor(13,30);
  time.gettime();
   //================  )))  =================
  day = time.weekday;
  switch   (day) {
    case 0: 
      nokia.print(",");
      break;
    case   1: 
      nokia.print(",");
      break;
    case 2:
      nokia.print(",");
       break;
    case 3:
      nokia.print(",");
      break;
    case   4:
      nokia.print(",");
      break;
    case 5:
      nokia.print(",");
       break;
    case 6:
      nokia.print(",");
      break;
  }
   //====================================================
  nokia.setCursor(40,30);
   nokia.print(time.gettime("d.m"));
  nokia.setCursor(10,40);
  month =   time.month;
  switch (month) {
    case 1: 
      nokia.print(", ");
       break;
    case 2: 
      nokia.print(", ");
      break;
    case   3:
      nokia.print(", ");
      break;
    case 4:
      nokia.print(",   ");
      break;
    case 5:
      nokia.print(", ");
      break;
     case 6:
      nokia.print(", ");
      break;
    case 7:
      nokia.print(",   ");
      break;
    case 8:
      nokia.print(", ");
      break;
     case 9:
      nokia.print(", ");
      break;
    case 10:
      nokia.print(",   ");
      break;
    case 11:
      nokia.print(", ");
      break;
     case 12:
      nokia.print(", ");
      break;
  }

  nokia.print(time.gettime("Y"));
   //===================================================
  
  nokia.display();
}

The code:

c_cpp

1/*
2 *    1.0
3 *  : 1.4
4 * :  
5*/
6
7#include <LowPower.h>
8#include  <Adafruit_GFX_rus.h>
9#include <Adafruit_PCD8544_rus.h>
10Adafruit_PCD8544 nokia  = Adafruit_PCD8544(4, 3, 6, 7, 8); //CLK, DIN, DC, CE, RST
11
12/*
13 * : 
14  *
15 *   -->   
16 *(1)RST    -->   8 pin
17 *(2)CE     -->   7 pin
18 *(3)DC     -->   6 pin
19 *(4)DIN    -->   3 pin
20 *(5)CLK    -->   4 pin
21 *(6)VCC    -->   10 pin     !!!     !!!
22 *(7)LIGHT  -->   -----     (     . 
23 *                                .      .)
24 *(8)GND    -->   GND
25 *
26 *  2 .
27 *
28*/
29
30/*
31 *    :
32  *    IC:
33 *    -->   
34 * SDA      -->     A4
35 * SCL      -->     A5
36  * ====   ====
37 * VCC      -->     3.3V
38 * GND      -->     GND
39*/
40
41extern  uint8_t logo[];
42
43#include <iarduino_RTC.h>                            //   iarduino_RTC      .
44iarduino_RTC time(RTC_DS1307);                       //   time    RTC     DS3231,    I2C
45
46//=================   ===================
47volatile  int sec = 15;
48volatile int minute = 8;
49volatile int hour = 15;
50volatile  int date = 22;
51volatile int Month = 6;
52volatile int Year = 18;
53volatile  int weekDay = 5;
54//==================================================
55
56
57int  day;
58int month;
59volatile boolean sleep = false;
60
61#define powerBtn 2
62#define  dispPower 10
63
64void setup() {
65  delay(3000);              // !      5. 
66                            //       ,  5   
67  pinMode(dispPower, OUTPUT);
68  digitalWrite(dispPower, HIGH);
69  pinMode(powerBtn, INPUT_PULLUP);
70  
71  delay(300);                                                            //      
72  time.begin();                                                          //    .
73  time.settime(sec,minute,hour,date,Month,Year,weekDay);                 //    :  0 , 51 , 21 , 27, , 2015 , .
74  
75  nokia.begin();
76  nokia.clearDisplay();  
77  nokia.setContrast(55);
78  nokia.drawBitmap(0, 0, logo, 84, 48, BLACK);       //  Pe
79  nokia.display();
80  delay(1500);
81  nokia.clearDisplay();
82  nokia.drawLine(0,  20, 84, 20, BLACK);
83  nokia.display();
84}
85
86//==========     !!!  =========
87void  wake_up() {
88  digitalWrite(dispPower, HIGH);
89  sleep = false;
90  nokia.begin();
91  nokia.clearDisplay(); 
92  nokia.setContrast(55);
93  nokia.display();
94  detachInterrupt(0);
95  nokia.drawBitmap(0, 0, logo, 84, 48, BLACK);       //  Pe
96  nokia.display();
97}
98//===========================================================
99
100void  loop() {
101  //==========          ==========
102  if (sleep == false && digitalRead(powerBtn)  == 0) {
103    nokia.clearDisplay();
104    nokia.drawBitmap(0, 0, logo, 84, 48,  BLACK);       //  Pe
105    nokia.display();
106    delay(1000);
107    digitalWrite(dispPower,  LOW);
108    sleep = true;
109    delay(1000);
110    attachInterrupt(0, wake_up,  LOW);
111    if (sleep == true) {LowPower.powerDown(SLEEP_FOREVER, ADC_OFF, BOD_OFF);}
112  }
113  //=========================================================================
114
115  LowPower.powerDown(SLEEP_250MS, ADC_OFF, BOD_OFF);       //      250 
116
117  //==========    ==========
118  nokia.clearDisplay();
119  nokia.drawLine(4, 25,  80, 25, BLACK);                 //  
120  time.gettime();                                       //   
121  nokia.setTextSize(2);                                 //   2 
122  nokia.setCursor(5,5);                                 //  (5     5  y)
123  nokia.print(time.Hours);                              // 
124  nokia.setTextSize(3);                                 //   3 
125  nokia.setCursor(25,2);                                // 
126  nokia.print(":");
127  nokia.setTextSize(2);
128  nokia.setCursor(40,5);
129  nokia.print(time.minutes);                            // 
130  nokia.setTextSize(1);
131  nokia.setCursor(68,5);
132  nokia.print(time.seconds);                            // 
133  //=====================================
134
135  //================     ===================
136  nokia.setCursor(13,30);
137  time.gettime();
138  //================  )))  =================
139  day = time.weekday;
140  switch  (day) {
141    case 0: 
142      nokia.print(",");
143      break;
144    case  1: 
145      nokia.print(",");
146      break;
147    case 2:
148      nokia.print(",");
149      break;
150    case 3:
151      nokia.print(",");
152      break;
153    case  4:
154      nokia.print(",");
155      break;
156    case 5:
157      nokia.print(",");
158      break;
159    case 6:
160      nokia.print(",");
161      break;
162  }
163  //====================================================
164  nokia.setCursor(40,30);
165  nokia.print(time.gettime("d.m"));
166  nokia.setCursor(10,40);
167  month =  time.month;
168  switch (month) {
169    case 1: 
170      nokia.print(", ");
171      break;
172    case 2: 
173      nokia.print(", ");
174      break;
175    case  3:
176      nokia.print(", ");
177      break;
178    case 4:
179      nokia.print(",  ");
180      break;
181    case 5:
182      nokia.print(", ");
183      break;
184    case 6:
185      nokia.print(", ");
186      break;
187    case 7:
188      nokia.print(",  ");
189      break;
190    case 8:
191      nokia.print(", ");
192      break;
193    case 9:
194      nokia.print(", ");
195      break;
196    case 10:
197      nokia.print(",  ");
198      break;
199    case 11:
200      nokia.print(", ");
201      break;
202    case 12:
203      nokia.print(", ");
204      break;
205  }
206
207  nokia.print(time.gettime("Y"));
208  //===================================================
209  
210  nokia.display();
211}
212
213
214
215

/*
 *    1.0
 *  : 1.4
 * :  
*/

#include <LowPower.h>
#include  <Adafruit_GFX_rus.h>
#include <Adafruit_PCD8544_rus.h>
Adafruit_PCD8544 nokia  = Adafruit_PCD8544(4, 3, 6, 7, 8); //CLK, DIN, DC, CE, RST

/*
 * : 
  *
 *   -->   
 *(1)RST    -->   8 pin
 *(2)CE     -->   7 pin
 *(3)DC     -->   6 pin
 *(4)DIN    -->   3 pin
 *(5)CLK    -->   4 pin
 *(6)VCC    -->   10 pin     !!!     !!!
 *(7)LIGHT  -->   -----     (     . 
 *                                .      .)
 *(8)GND    -->   GND
 *
 *  2 .
 *
*/

/*
 *    :
  *    IC:
 *    -->   
 * SDA      -->     A4
 * SCL      -->     A5
  * ====   ====
 * VCC      -->     3.3V
 * GND      -->     GND
*/

extern  uint8_t logo[];

#include <iarduino_RTC.h>                            //   iarduino_RTC      .
iarduino_RTC time(RTC_DS1307);                       //   time    RTC     DS3231,    I2C

//=================   ===================
volatile  int sec = 15;
volatile int minute = 8;
volatile int hour = 15;
volatile  int date = 22;
volatile int Month = 6;
volatile int Year = 18;
volatile  int weekDay = 5;
//==================================================


int  day;
int month;
volatile boolean sleep = false;

#define powerBtn 2
#define  dispPower 10

void setup() {
  delay(3000);              // !      5. 
                            //       ,  5   
  pinMode(dispPower, OUTPUT);
  digitalWrite(dispPower, HIGH);
  pinMode(powerBtn, INPUT_PULLUP);
  
  delay(300);                                                            //      
  time.begin();                                                          //    .
  time.settime(sec,minute,hour,date,Month,Year,weekDay);                 //    :  0 , 51 , 21 , 27, , 2015 , .
  
  nokia.begin();
  nokia.clearDisplay();  
  nokia.setContrast(55);
  nokia.drawBitmap(0, 0, logo, 84, 48, BLACK);       //  Pe
  nokia.display();
  delay(1500);
  nokia.clearDisplay();
  nokia.drawLine(0,  20, 84, 20, BLACK);
  nokia.display();
}

//==========     !!!  =========
void  wake_up() {
  digitalWrite(dispPower, HIGH);
  sleep = false;
  nokia.begin();
  nokia.clearDisplay(); 
  nokia.setContrast(55);
  nokia.display();
  detachInterrupt(0);
  nokia.drawBitmap(0, 0, logo, 84, 48, BLACK);       //  Pe
  nokia.display();
}
//===========================================================

void  loop() {
  //==========          ==========
  if (sleep == false && digitalRead(powerBtn)  == 0) {
    nokia.clearDisplay();
    nokia.drawBitmap(0, 0, logo, 84, 48,  BLACK);       //  Pe
    nokia.display();
    delay(1000);
    digitalWrite(dispPower,  LOW);
    sleep = true;
    delay(1000);
    attachInterrupt(0, wake_up,  LOW);
    if (sleep == true) {LowPower.powerDown(SLEEP_FOREVER, ADC_OFF, BOD_OFF);}
  }
  //=========================================================================

  LowPower.powerDown(SLEEP_250MS, ADC_OFF, BOD_OFF);       //      250 

  //==========    ==========
  nokia.clearDisplay();
  nokia.drawLine(4, 25,  80, 25, BLACK);                 //  
  time.gettime();                                       //   
  nokia.setTextSize(2);                                 //   2 
  nokia.setCursor(5,5);                                 //  (5     5  y)
  nokia.print(time.Hours);                              // 
  nokia.setTextSize(3);                                 //   3 
  nokia.setCursor(25,2);                                // 
  nokia.print(":");
  nokia.setTextSize(2);
  nokia.setCursor(40,5);
  nokia.print(time.minutes);                            // 
  nokia.setTextSize(1);
  nokia.setCursor(68,5);
  nokia.print(time.seconds);                            // 
  //=====================================

  //================     ===================
  nokia.setCursor(13,30);
  time.gettime();
  //================  )))  =================
  day = time.weekday;
  switch  (day) {
    case 0: 
      nokia.print(",");
      break;
    case  1: 
      nokia.print(",");
      break;
    case 2:
      nokia.print(",");
      break;
    case 3:
      nokia.print(",");
      break;
    case  4:
      nokia.print(",");
      break;
    case 5:
      nokia.print(",");
      break;
    case 6:
      nokia.print(",");
      break;
  }
  //====================================================
  nokia.setCursor(40,30);
  nokia.print(time.gettime("d.m"));
  nokia.setCursor(10,40);
  month =  time.month;
  switch (month) {
    case 1: 
      nokia.print(", ");
      break;
    case 2: 
      nokia.print(", ");
      break;
    case  3:
      nokia.print(", ");
      break;
    case 4:
      nokia.print(",  ");
      break;
    case 5:
      nokia.print(", ");
      break;
    case 6:
      nokia.print(", ");
      break;
    case 7:
      nokia.print(",  ");
      break;
    case 8:
      nokia.print(", ");
      break;
    case 9:
      nokia.print(", ");
      break;
    case 10:
      nokia.print(",  ");
      break;
    case 11:
      nokia.print(", ");
      break;
    case 12:
      nokia.print(", ");
      break;
  }

  nokia.print(time.gettime("Y"));
  //===================================================
  
  nokia.display();
}

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mPelectronic

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