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

Components and supplies

Arduino Nano R3

Real Time Clock (RTC)

Tools and machines

Soldering iron (generic)

3D Printer (generic)

Apps and platforms

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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