Minimal Parts OLED Word Clock

A minimal parts, cheap to-the-minute word clock using a .91 inch 128 X 32 OLED display.

Feb 2, 2018

•

6807 views

•

2 respects

clocks

communication

monitoring

Components and supplies

Breadboard (generic)

0.91 inch OLED 128 X 32 display

Pushbutton switch 12mm

Jumper wires (generic)

Arduino Nano R3

Project description

Code

simple word clock

arduino

1#include <Wire.h>
2#include <Time.h>
3#include <SPI.h>
4#include   <TimeLib.h>
5
6#include <Adafruit_GFX.h>
7#include <Adafruit_SSD1306.h>
8#define   OLED_RESET 4
9Adafruit_SSD1306 display(OLED_RESET);
10#if (SSD1306_LCDHEIGHT   != 32)
11#error("Height incorrect, please fix Adafruit_SSD1306.h!");
12#endif
13byte   mm1, mm5, h, m, s;
14byte ultM = 10, ultH = 10;
15byte hPin = 3, mPin = 2;
16boolean   ajustaH = true, ajustaM = true;
17
18
19void setup() {
20
21  Serial.begin(9600);
22   pinMode(hPin, INPUT_PULLUP);
23  pinMode(mPin, INPUT_PULLUP);
24  display.begin(SSD1306_SWITCHCAPVCC,   0x3C);  // initialize with the I2C addr 0x3C (for the 128x32)
25  // init done
26   //Clear the buffer.
27  display.clearDisplay();
28  text();
29
30}
31
32
33
34void   text(void) {
35  display.setTextSize(1);
36  display.setTextColor(WHITE);
37
38
39
40
41}
42
43void   Display() {
44
45  // Setup of Hours & Minutes
46  ajustaH = digitalRead(hPin);
47   ajustaM = digitalRead(mPin);
48
49  if (!ajustaH) {
50    adjustTime(3600);
51   }
52
53  if (!ajustaM) {
54    adjustTime(60);
55  }
56
57  h = hour();
58   m = minute();
59  Serial.print (hour());
60  Serial.print(":");
61  Serial.print   (minute());
62  Serial.print(":");
63  Serial.print (second());
64  Serial.println();
65
66   delay(000);
67
68  if ( h > 12)
69  {
70    h = (h - 12);
71  }
72
73
74
75
76
77   // now set hour
78  if (h == 1)
79  {
80    display.print("One ");
81  }
82
83
84
85   if (h == 2)
86  {
87    display.print("Two ");
88  }
89
90  if (h == 3)
91   {
92    display.print("Three ");
93  }
94
95
96
97  if (h == 4)
98  {
99     display.print("Four ");
100  }
101
102
103  if (h == 5)
104  {
105    display.print("Five   ");
106  }
107
108
109
110  if (h == 6)
111  {
112    display.print("Six ");
113   }
114
115
116
117  if (h == 7)
118  {
119    display.print("Seven ");
120  }
121
122
123
124   if (h == 8)
125  {
126    display.print("Eight ");
127  }
128
129
130  if (h   == 9)
131  {
132    display.print("Nine ");
133  }
134
135
136
137  if (h == 10)
138   {
139    display.print("Ten ");
140  }
141
142
143
144  if (h == 11)
145  {
146     display.print("Eleven ");
147  }
148
149
150
151  if (h == 12)
152  {
153     display.print("Twelve ");
154  }
155
156  if (h == 0)
157  {
158    display.print("Twelve   ");
159  }
160
161
162  // now set minute
163  if (m == 0)
164  {
165    display.print("O'Clock   ");
166  }
167
168
169
170  if (m == 1)
171  {
172    display.print(" o-One ");
173   }
174
175
176
177  if (m == 2)
178  {
179    display.print(" o-Two ");
180  }
181
182
183
184   if (m == 3)
185  {
186    display.print(" o-Three ");
187  }
188
189
190
191   if (m == 4)
192  {
193    display.print(" o-Four ");
194  }
195
196
197
198   if (m == 5)
199  {
200    display.print(" o-Five ");
201  }
202
203
204
205   if (m == 6)
206  {
207    display.print(" o-Six ");
208  }
209
210
211
212  if   (m == 7)
213  {
214    display.print(" o-Seven ");
215  }
216
217
218
219  if   (m == 8)
220  {
221    display.print(" o-Eight ");
222  }
223
224
225  if (m ==   9)
226  {
227    display.print(" o-Nine ");
228  }
229
230
231
232  if (m == 10)
233   {
234    display.print("Ten ");
235  }
236
237
238
239  if (m == 11)
240  {
241     display.print("Eleven ");
242  }
243
244
245
246  if (m == 12)
247  {
248     display.print("Twelve ");
249  }
250
251
252
253  if (m == 13)
254  {
255     display.print("Thirteen ");;
256  }
257
258
259
260  if (m == 14)
261  {
262     display.print("Fourteen ");
263  }
264
265
266  if (m == 15)
267  {
268    display.print("Fifteen   ");
269  }
270
271
272  if (m == 16)
273  {
274    display.print("Sixteen ");
275   }
276
277
278
279  if (m == 17)
280  {
281    display.print("Seventeen ");
282   }
283
284
285
286  if (m == 18)
287  {
288    display.print("Eighteen ");
289   }
290
291
292
293  if (m == 19)
294  {
295    display.print("Ninteen ");
296   }
297
298
299
300  if (m == 20)
301  {
302    display.print("Twenty ");
303   }
304
305
306
307  if (m == 21)
308  {
309    display.print("Twenty-One ");
310   }
311
312
313
314  if (m == 22)
315  {
316    display.print("Twenty-Two ");
317   }
318
319
320
321  if (m == 23)
322  {
323    display.print("Twenty-Three ");
324   }
325
326
327
328  if (m == 24)
329  {
330    display.print("Twenty-Four ");
331   }
332
333
334
335  if (m == 25)
336  {
337    display.print("Twenty-Five ");
338   }
339
340
341  if (m == 26)
342  {
343    display.print("Twenty-Six ");
344   }
345
346
347
348  if (m == 27)
349  {
350    display.print("Twenty-Seven ");
351   }
352
353
354
355  if (m == 28)
356  {
357    display.print("Twenty-Eight ");;
358   }
359
360
361
362  if (m == 29)
363  {
364    display.print("Twenty-Nine ");
365   }
366
367
368
369  if (m == 30)
370  {
371    display.print("Thirty ");
372   }
373
374
375
376  if (m == 31)
377  {
378    display.print("Thirty-One ");
379   }
380
381
382
383  if (m == 32)
384  {
385    display.print("Thirty-Two ");
386   }
387
388
389
390  if (m == 33)
391  {
392    display.print("Thirty-Three ");
393   }
394
395
396
397  if (m == 34)
398  {
399    display.print("Thirty-Four ");
400   }
401
402
403  if (m == 35)
404  {
405    display.print("Thirty-Five ");;
406   }
407
408
409
410  if (m == 36)
411  {
412    display.print("Thirty-Six ");
413   }
414
415
416
417  if (m == 37)
418  {
419    display.print("Thirty-Seven ");
420   }
421
422
423
424  if (m == 38)
425  {
426    display.print("Thirty-Eight ");
427   }
428
429
430
431  if (m == 39)
432  {
433    display.print("Thirty-Nine ");
434   }
435
436
437
438  if (m == 40)
439  {
440    display.print("Forty ");
441  }
442
443
444
445   if (m == 41)
446  {
447    display.print("Forty-One ");
448  }
449
450
451
452   if (m == 42)
453  {
454    display.print("Forty-Two ");
455  }
456
457
458
459   if (m == 43)
460  {
461    display.print("Forty-Three ");
462  }
463
464
465
466   if (m == 44)
467  {
468    display.print("Forty-Four ");
469  }
470
471
472
473   if (m == 45)
474  {
475    display.print("Forty-Five ");
476  }
477
478
479
480   if (m == 46)
481  {
482    display.print("Forty-Six ");
483  }
484
485
486
487   if (m == 47)
488  {
489    display.print("Forty-Seven ");
490  }
491
492
493
494   if (m == 48)
495  {
496    display.print("Forty-Eight ");
497  }
498
499
500
501   if (m == 49)
502  {
503    display.print("Forty-Nine ");
504  }
505
506
507
508   if (m == 50)
509  {
510    display.print("Fifty ");
511  }
512
513
514
515  if   (m == 51)
516  {
517    display.print("Fifty-One ");
518  }
519
520
521  if (m   == 52)
522  {
523    display.print("Fifty-Two ");
524  }
525
526
527
528  if (m   == 53)
529  {
530    display.print("Fifty-Three ");
531  }
532
533
534  if (m   == 54)
535  {
536    display.print("Fifty-Four ");;
537  }
538
539
540
541  if   (m == 55)
542  {
543    display.print("Fifty-Five ");
544  }
545
546
547
548  if   (m == 56)
549  {
550    display.print("Fifty-Six ");
551  }
552
553
554
555  if   (m == 57)
556  {
557    display.print("Fifty-Seven ");
558  }
559
560
561  if   (m == 58)
562  {
563    display.print("Fifty-Eight ");
564  }
565
566
567
568   if (m == 59)
569  {
570    display.print("Fifty-Nine ");
571  }
572  if (hour()   < 12)
573  {
574    display.setCursor(38, 24);
575    display.print("AM");
576   }
577  if (hour() == 12)
578  {
579    display.setCursor(38, 24);
580    display.print("PM");
581   }
582  if (hour() == 24)
583  {
584    display.setCursor(38, 24);
585    display.print("AM");
586   }
587
588  if (hour() > 12)
589  {
590    display.setCursor(38, 24);
591
592    display.print("PM");
593
594   }
595}
596
597void loop() {
598
599  Display();
600  display.setCursor(30, 0);
601   display.print("It is");
602  display.setCursor(0, 12);
603
604  display.display();
605   delay(1000);
606  display.clearDisplay();
607}
608
609
610
611

#include <Wire.h>
#include <Time.h>
#include <SPI.h>
#include   <TimeLib.h>

#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define   OLED_RESET 4
Adafruit_SSD1306 display(OLED_RESET);
#if (SSD1306_LCDHEIGHT   != 32)
#error("Height incorrect, please fix Adafruit_SSD1306.h!");
#endif
byte   mm1, mm5, h, m, s;
byte ultM = 10, ultH = 10;
byte hPin = 3, mPin = 2;
boolean   ajustaH = true, ajustaM = true;


void setup() {

  Serial.begin(9600);
   pinMode(hPin, INPUT_PULLUP);
  pinMode(mPin, INPUT_PULLUP);
  display.begin(SSD1306_SWITCHCAPVCC,   0x3C);  // initialize with the I2C addr 0x3C (for the 128x32)
  // init done
   //Clear the buffer.
  display.clearDisplay();
  text();

}



void   text(void) {
  display.setTextSize(1);
  display.setTextColor(WHITE);




}

void   Display() {

  // Setup of Hours & Minutes
  ajustaH = digitalRead(hPin);
   ajustaM = digitalRead(mPin);

  if (!ajustaH) {
    adjustTime(3600);
   }

  if (!ajustaM) {
    adjustTime(60);
  }

  h = hour();
   m = minute();
  Serial.print (hour());
  Serial.print(":");
  Serial.print   (minute());
  Serial.print(":");
  Serial.print (second());
  Serial.println();

   delay(000);

  if ( h > 12)
  {
    h = (h - 12);
  }





   // now set hour
  if (h == 1)
  {
    display.print("One ");
  }



   if (h == 2)
  {
    display.print("Two ");
  }

  if (h == 3)
   {
    display.print("Three ");
  }



  if (h == 4)
  {
     display.print("Four ");
  }


  if (h == 5)
  {
    display.print("Five   ");
  }



  if (h == 6)
  {
    display.print("Six ");
   }



  if (h == 7)
  {
    display.print("Seven ");
  }



   if (h == 8)
  {
    display.print("Eight ");
  }


  if (h   == 9)
  {
    display.print("Nine ");
  }



  if (h == 10)
   {
    display.print("Ten ");
  }



  if (h == 11)
  {
     display.print("Eleven ");
  }



  if (h == 12)
  {
     display.print("Twelve ");
  }

  if (h == 0)
  {
    display.print("Twelve   ");
  }


  // now set minute
  if (m == 0)
  {
    display.print("O'Clock   ");
  }



  if (m == 1)
  {
    display.print(" o-One ");
   }



  if (m == 2)
  {
    display.print(" o-Two ");
  }



   if (m == 3)
  {
    display.print(" o-Three ");
  }



   if (m == 4)
  {
    display.print(" o-Four ");
  }



   if (m == 5)
  {
    display.print(" o-Five ");
  }



   if (m == 6)
  {
    display.print(" o-Six ");
  }



  if   (m == 7)
  {
    display.print(" o-Seven ");
  }



  if   (m == 8)
  {
    display.print(" o-Eight ");
  }


  if (m ==   9)
  {
    display.print(" o-Nine ");
  }



  if (m == 10)
   {
    display.print("Ten ");
  }



  if (m == 11)
  {
     display.print("Eleven ");
  }



  if (m == 12)
  {
     display.print("Twelve ");
  }



  if (m == 13)
  {
     display.print("Thirteen ");;
  }



  if (m == 14)
  {
     display.print("Fourteen ");
  }


  if (m == 15)
  {
    display.print("Fifteen   ");
  }


  if (m == 16)
  {
    display.print("Sixteen ");
   }



  if (m == 17)
  {
    display.print("Seventeen ");
   }



  if (m == 18)
  {
    display.print("Eighteen ");
   }



  if (m == 19)
  {
    display.print("Ninteen ");
   }



  if (m == 20)
  {
    display.print("Twenty ");
   }



  if (m == 21)
  {
    display.print("Twenty-One ");
   }



  if (m == 22)
  {
    display.print("Twenty-Two ");
   }



  if (m == 23)
  {
    display.print("Twenty-Three ");
   }



  if (m == 24)
  {
    display.print("Twenty-Four ");
   }



  if (m == 25)
  {
    display.print("Twenty-Five ");
   }


  if (m == 26)
  {
    display.print("Twenty-Six ");
   }



  if (m == 27)
  {
    display.print("Twenty-Seven ");
   }



  if (m == 28)
  {
    display.print("Twenty-Eight ");;
   }



  if (m == 29)
  {
    display.print("Twenty-Nine ");
   }



  if (m == 30)
  {
    display.print("Thirty ");
   }



  if (m == 31)
  {
    display.print("Thirty-One ");
   }



  if (m == 32)
  {
    display.print("Thirty-Two ");
   }



  if (m == 33)
  {
    display.print("Thirty-Three ");
   }



  if (m == 34)
  {
    display.print("Thirty-Four ");
   }


  if (m == 35)
  {
    display.print("Thirty-Five ");;
   }



  if (m == 36)
  {
    display.print("Thirty-Six ");
   }



  if (m == 37)
  {
    display.print("Thirty-Seven ");
   }



  if (m == 38)
  {
    display.print("Thirty-Eight ");
   }



  if (m == 39)
  {
    display.print("Thirty-Nine ");
   }



  if (m == 40)
  {
    display.print("Forty ");
  }



   if (m == 41)
  {
    display.print("Forty-One ");
  }



   if (m == 42)
  {
    display.print("Forty-Two ");
  }



   if (m == 43)
  {
    display.print("Forty-Three ");
  }



   if (m == 44)
  {
    display.print("Forty-Four ");
  }



   if (m == 45)
  {
    display.print("Forty-Five ");
  }



   if (m == 46)
  {
    display.print("Forty-Six ");
  }



   if (m == 47)
  {
    display.print("Forty-Seven ");
  }



   if (m == 48)
  {
    display.print("Forty-Eight ");
  }



   if (m == 49)
  {
    display.print("Forty-Nine ");
  }



   if (m == 50)
  {
    display.print("Fifty ");
  }



  if   (m == 51)
  {
    display.print("Fifty-One ");
  }


  if (m   == 52)
  {
    display.print("Fifty-Two ");
  }



  if (m   == 53)
  {
    display.print("Fifty-Three ");
  }


  if (m   == 54)
  {
    display.print("Fifty-Four ");;
  }



  if   (m == 55)
  {
    display.print("Fifty-Five ");
  }



  if   (m == 56)
  {
    display.print("Fifty-Six ");
  }



  if   (m == 57)
  {
    display.print("Fifty-Seven ");
  }


  if   (m == 58)
  {
    display.print("Fifty-Eight ");
  }



   if (m == 59)
  {
    display.print("Fifty-Nine ");
  }
  if (hour()   < 12)
  {
    display.setCursor(38, 24);
    display.print("AM");
   }
  if (hour() == 12)
  {
    display.setCursor(38, 24);
    display.print("PM");
   }
  if (hour() == 24)
  {
    display.setCursor(38, 24);
    display.print("AM");
   }

  if (hour() > 12)
  {
    display.setCursor(38, 24);

    display.print("PM");

   }
}

void loop() {

  Display();
  display.setCursor(30, 0);
   display.print("It is");
  display.setCursor(0, 12);

  display.display();
   delay(1000);
  display.clearDisplay();
}

simple word clock

arduino

1#include <Wire.h>
2#include <Time.h>
3#include <SPI.h>
4#include  <TimeLib.h>
5
6#include <Adafruit_GFX.h>
7#include <Adafruit_SSD1306.h>
8#define  OLED_RESET 4
9Adafruit_SSD1306 display(OLED_RESET);
10#if (SSD1306_LCDHEIGHT  != 32)
11#error("Height incorrect, please fix Adafruit_SSD1306.h!");
12#endif
13byte  mm1, mm5, h, m, s;
14byte ultM = 10, ultH = 10;
15byte hPin = 3, mPin = 2;
16boolean  ajustaH = true, ajustaM = true;
17
18
19void setup() {
20
21  Serial.begin(9600);
22  pinMode(hPin, INPUT_PULLUP);
23  pinMode(mPin, INPUT_PULLUP);
24  display.begin(SSD1306_SWITCHCAPVCC,  0x3C);  // initialize with the I2C addr 0x3C (for the 128x32)
25  // init done
26  //Clear the buffer.
27  display.clearDisplay();
28  text();
29
30}
31
32
33
34void  text(void) {
35  display.setTextSize(1);
36  display.setTextColor(WHITE);
37
38
39
40
41}
42
43void  Display() {
44
45  // Setup of Hours & Minutes
46  ajustaH = digitalRead(hPin);
47  ajustaM = digitalRead(mPin);
48
49  if (!ajustaH) {
50    adjustTime(3600);
51  }
52
53  if (!ajustaM) {
54    adjustTime(60);
55  }
56
57  h = hour();
58  m = minute();
59  Serial.print (hour());
60  Serial.print(":");
61  Serial.print  (minute());
62  Serial.print(":");
63  Serial.print (second());
64  Serial.println();
65
66  delay(000);
67
68  if ( h > 12)
69  {
70    h = (h - 12);
71  }
72
73
74
75
76
77  // now set hour
78  if (h == 1)
79  {
80    display.print("One ");
81  }
82
83
84
85  if (h == 2)
86  {
87    display.print("Two ");
88  }
89
90  if (h == 3)
91  {
92    display.print("Three ");
93  }
94
95
96
97  if (h == 4)
98  {
99    display.print("Four ");
100  }
101
102
103  if (h == 5)
104  {
105    display.print("Five  ");
106  }
107
108
109
110  if (h == 6)
111  {
112    display.print("Six ");
113  }
114
115
116
117  if (h == 7)
118  {
119    display.print("Seven ");
120  }
121
122
123
124  if (h == 8)
125  {
126    display.print("Eight ");
127  }
128
129
130  if (h  == 9)
131  {
132    display.print("Nine ");
133  }
134
135
136
137  if (h == 10)
138  {
139    display.print("Ten ");
140  }
141
142
143
144  if (h == 11)
145  {
146    display.print("Eleven ");
147  }
148
149
150
151  if (h == 12)
152  {
153    display.print("Twelve ");
154  }
155
156  if (h == 0)
157  {
158    display.print("Twelve  ");
159  }
160
161
162  // now set minute
163  if (m == 0)
164  {
165    display.print("O'Clock  ");
166  }
167
168
169
170  if (m == 1)
171  {
172    display.print(" o-One ");
173  }
174
175
176
177  if (m == 2)
178  {
179    display.print(" o-Two ");
180  }
181
182
183
184  if (m == 3)
185  {
186    display.print(" o-Three ");
187  }
188
189
190
191  if (m == 4)
192  {
193    display.print(" o-Four ");
194  }
195
196
197
198  if (m == 5)
199  {
200    display.print(" o-Five ");
201  }
202
203
204
205  if (m == 6)
206  {
207    display.print(" o-Six ");
208  }
209
210
211
212  if  (m == 7)
213  {
214    display.print(" o-Seven ");
215  }
216
217
218
219  if  (m == 8)
220  {
221    display.print(" o-Eight ");
222  }
223
224
225  if (m ==  9)
226  {
227    display.print(" o-Nine ");
228  }
229
230
231
232  if (m == 10)
233  {
234    display.print("Ten ");
235  }
236
237
238
239  if (m == 11)
240  {
241    display.print("Eleven ");
242  }
243
244
245
246  if (m == 12)
247  {
248    display.print("Twelve ");
249  }
250
251
252
253  if (m == 13)
254  {
255    display.print("Thirteen ");;
256  }
257
258
259
260  if (m == 14)
261  {
262    display.print("Fourteen ");
263  }
264
265
266  if (m == 15)
267  {
268    display.print("Fifteen  ");
269  }
270
271
272  if (m == 16)
273  {
274    display.print("Sixteen ");
275  }
276
277
278
279  if (m == 17)
280  {
281    display.print("Seventeen ");
282  }
283
284
285
286  if (m == 18)
287  {
288    display.print("Eighteen ");
289  }
290
291
292
293  if (m == 19)
294  {
295    display.print("Ninteen ");
296  }
297
298
299
300  if (m == 20)
301  {
302    display.print("Twenty ");
303  }
304
305
306
307  if (m == 21)
308  {
309    display.print("Twenty-One ");
310  }
311
312
313
314  if (m == 22)
315  {
316    display.print("Twenty-Two ");
317  }
318
319
320
321  if (m == 23)
322  {
323    display.print("Twenty-Three ");
324  }
325
326
327
328  if (m == 24)
329  {
330    display.print("Twenty-Four ");
331  }
332
333
334
335  if (m == 25)
336  {
337    display.print("Twenty-Five ");
338  }
339
340
341  if (m == 26)
342  {
343    display.print("Twenty-Six ");
344  }
345
346
347
348  if (m == 27)
349  {
350    display.print("Twenty-Seven ");
351  }
352
353
354
355  if (m == 28)
356  {
357    display.print("Twenty-Eight ");;
358  }
359
360
361
362  if (m == 29)
363  {
364    display.print("Twenty-Nine ");
365  }
366
367
368
369  if (m == 30)
370  {
371    display.print("Thirty ");
372  }
373
374
375
376  if (m == 31)
377  {
378    display.print("Thirty-One ");
379  }
380
381
382
383  if (m == 32)
384  {
385    display.print("Thirty-Two ");
386  }
387
388
389
390  if (m == 33)
391  {
392    display.print("Thirty-Three ");
393  }
394
395
396
397  if (m == 34)
398  {
399    display.print("Thirty-Four ");
400  }
401
402
403  if (m == 35)
404  {
405    display.print("Thirty-Five ");;
406  }
407
408
409
410  if (m == 36)
411  {
412    display.print("Thirty-Six ");
413  }
414
415
416
417  if (m == 37)
418  {
419    display.print("Thirty-Seven ");
420  }
421
422
423
424  if (m == 38)
425  {
426    display.print("Thirty-Eight ");
427  }
428
429
430
431  if (m == 39)
432  {
433    display.print("Thirty-Nine ");
434  }
435
436
437
438  if (m == 40)
439  {
440    display.print("Forty ");
441  }
442
443
444
445  if (m == 41)
446  {
447    display.print("Forty-One ");
448  }
449
450
451
452  if (m == 42)
453  {
454    display.print("Forty-Two ");
455  }
456
457
458
459  if (m == 43)
460  {
461    display.print("Forty-Three ");
462  }
463
464
465
466  if (m == 44)
467  {
468    display.print("Forty-Four ");
469  }
470
471
472
473  if (m == 45)
474  {
475    display.print("Forty-Five ");
476  }
477
478
479
480  if (m == 46)
481  {
482    display.print("Forty-Six ");
483  }
484
485
486
487  if (m == 47)
488  {
489    display.print("Forty-Seven ");
490  }
491
492
493
494  if (m == 48)
495  {
496    display.print("Forty-Eight ");
497  }
498
499
500
501  if (m == 49)
502  {
503    display.print("Forty-Nine ");
504  }
505
506
507
508  if (m == 50)
509  {
510    display.print("Fifty ");
511  }
512
513
514
515  if  (m == 51)
516  {
517    display.print("Fifty-One ");
518  }
519
520
521  if (m  == 52)
522  {
523    display.print("Fifty-Two ");
524  }
525
526
527
528  if (m  == 53)
529  {
530    display.print("Fifty-Three ");
531  }
532
533
534  if (m  == 54)
535  {
536    display.print("Fifty-Four ");;
537  }
538
539
540
541  if  (m == 55)
542  {
543    display.print("Fifty-Five ");
544  }
545
546
547
548  if  (m == 56)
549  {
550    display.print("Fifty-Six ");
551  }
552
553
554
555  if  (m == 57)
556  {
557    display.print("Fifty-Seven ");
558  }
559
560
561  if  (m == 58)
562  {
563    display.print("Fifty-Eight ");
564  }
565
566
567
568  if (m == 59)
569  {
570    display.print("Fifty-Nine ");
571  }
572  if (hour()  < 12)
573  {
574    display.setCursor(38, 24);
575    display.print("AM");
576  }
577  if (hour() == 12)
578  {
579    display.setCursor(38, 24);
580    display.print("PM");
581  }
582  if (hour() == 24)
583  {
584    display.setCursor(38, 24);
585    display.print("AM");
586  }
587
588  if (hour() > 12)
589  {
590    display.setCursor(38, 24);
591
592    display.print("PM");
593
594  }
595}
596
597void loop() {
598
599  Display();
600  display.setCursor(30, 0);
601  display.print("It is");
602  display.setCursor(0, 12);
603
604  display.display();
605  delay(1000);
606  display.clearDisplay();
607}
608
609
610
611

#include <Wire.h>
#include <Time.h>
#include <SPI.h>
#include  <TimeLib.h>

#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define  OLED_RESET 4
Adafruit_SSD1306 display(OLED_RESET);
#if (SSD1306_LCDHEIGHT  != 32)
#error("Height incorrect, please fix Adafruit_SSD1306.h!");
#endif
byte  mm1, mm5, h, m, s;
byte ultM = 10, ultH = 10;
byte hPin = 3, mPin = 2;
boolean  ajustaH = true, ajustaM = true;


void setup() {

  Serial.begin(9600);
  pinMode(hPin, INPUT_PULLUP);
  pinMode(mPin, INPUT_PULLUP);
  display.begin(SSD1306_SWITCHCAPVCC,  0x3C);  // initialize with the I2C addr 0x3C (for the 128x32)
  // init done
  //Clear the buffer.
  display.clearDisplay();
  text();

}



void  text(void) {
  display.setTextSize(1);
  display.setTextColor(WHITE);




}

void  Display() {

  // Setup of Hours & Minutes
  ajustaH = digitalRead(hPin);
  ajustaM = digitalRead(mPin);

  if (!ajustaH) {
    adjustTime(3600);
  }

  if (!ajustaM) {
    adjustTime(60);
  }

  h = hour();
  m = minute();
  Serial.print (hour());
  Serial.print(":");
  Serial.print  (minute());
  Serial.print(":");
  Serial.print (second());
  Serial.println();

  delay(000);

  if ( h > 12)
  {
    h = (h - 12);
  }





  // now set hour
  if (h == 1)
  {
    display.print("One ");
  }



  if (h == 2)
  {
    display.print("Two ");
  }

  if (h == 3)
  {
    display.print("Three ");
  }



  if (h == 4)
  {
    display.print("Four ");
  }


  if (h == 5)
  {
    display.print("Five  ");
  }



  if (h == 6)
  {
    display.print("Six ");
  }



  if (h == 7)
  {
    display.print("Seven ");
  }



  if (h == 8)
  {
    display.print("Eight ");
  }


  if (h  == 9)
  {
    display.print("Nine ");
  }



  if (h == 10)
  {
    display.print("Ten ");
  }



  if (h == 11)
  {
    display.print("Eleven ");
  }



  if (h == 12)
  {
    display.print("Twelve ");
  }

  if (h == 0)
  {
    display.print("Twelve  ");
  }


  // now set minute
  if (m == 0)
  {
    display.print("O'Clock  ");
  }



  if (m == 1)
  {
    display.print(" o-One ");
  }



  if (m == 2)
  {
    display.print(" o-Two ");
  }



  if (m == 3)
  {
    display.print(" o-Three ");
  }



  if (m == 4)
  {
    display.print(" o-Four ");
  }



  if (m == 5)
  {
    display.print(" o-Five ");
  }



  if (m == 6)
  {
    display.print(" o-Six ");
  }



  if  (m == 7)
  {
    display.print(" o-Seven ");
  }



  if  (m == 8)
  {
    display.print(" o-Eight ");
  }


  if (m ==  9)
  {
    display.print(" o-Nine ");
  }



  if (m == 10)
  {
    display.print("Ten ");
  }



  if (m == 11)
  {
    display.print("Eleven ");
  }



  if (m == 12)
  {
    display.print("Twelve ");
  }



  if (m == 13)
  {
    display.print("Thirteen ");;
  }



  if (m == 14)
  {
    display.print("Fourteen ");
  }


  if (m == 15)
  {
    display.print("Fifteen  ");
  }


  if (m == 16)
  {
    display.print("Sixteen ");
  }



  if (m == 17)
  {
    display.print("Seventeen ");
  }



  if (m == 18)
  {
    display.print("Eighteen ");
  }



  if (m == 19)
  {
    display.print("Ninteen ");
  }



  if (m == 20)
  {
    display.print("Twenty ");
  }



  if (m == 21)
  {
    display.print("Twenty-One ");
  }



  if (m == 22)
  {
    display.print("Twenty-Two ");
  }



  if (m == 23)
  {
    display.print("Twenty-Three ");
  }



  if (m == 24)
  {
    display.print("Twenty-Four ");
  }



  if (m == 25)
  {
    display.print("Twenty-Five ");
  }


  if (m == 26)
  {
    display.print("Twenty-Six ");
  }



  if (m == 27)
  {
    display.print("Twenty-Seven ");
  }



  if (m == 28)
  {
    display.print("Twenty-Eight ");;
  }



  if (m == 29)
  {
    display.print("Twenty-Nine ");
  }



  if (m == 30)
  {
    display.print("Thirty ");
  }



  if (m == 31)
  {
    display.print("Thirty-One ");
  }



  if (m == 32)
  {
    display.print("Thirty-Two ");
  }



  if (m == 33)
  {
    display.print("Thirty-Three ");
  }



  if (m == 34)
  {
    display.print("Thirty-Four ");
  }


  if (m == 35)
  {
    display.print("Thirty-Five ");;
  }



  if (m == 36)
  {
    display.print("Thirty-Six ");
  }



  if (m == 37)
  {
    display.print("Thirty-Seven ");
  }



  if (m == 38)
  {
    display.print("Thirty-Eight ");
  }



  if (m == 39)
  {
    display.print("Thirty-Nine ");
  }



  if (m == 40)
  {
    display.print("Forty ");
  }



  if (m == 41)
  {
    display.print("Forty-One ");
  }



  if (m == 42)
  {
    display.print("Forty-Two ");
  }



  if (m == 43)
  {
    display.print("Forty-Three ");
  }



  if (m == 44)
  {
    display.print("Forty-Four ");
  }



  if (m == 45)
  {
    display.print("Forty-Five ");
  }



  if (m == 46)
  {
    display.print("Forty-Six ");
  }



  if (m == 47)
  {
    display.print("Forty-Seven ");
  }



  if (m == 48)
  {
    display.print("Forty-Eight ");
  }



  if (m == 49)
  {
    display.print("Forty-Nine ");
  }



  if (m == 50)
  {
    display.print("Fifty ");
  }



  if  (m == 51)
  {
    display.print("Fifty-One ");
  }


  if (m  == 52)
  {
    display.print("Fifty-Two ");
  }



  if (m  == 53)
  {
    display.print("Fifty-Three ");
  }


  if (m  == 54)
  {
    display.print("Fifty-Four ");;
  }



  if  (m == 55)
  {
    display.print("Fifty-Five ");
  }



  if  (m == 56)
  {
    display.print("Fifty-Six ");
  }



  if  (m == 57)
  {
    display.print("Fifty-Seven ");
  }


  if  (m == 58)
  {
    display.print("Fifty-Eight ");
  }



  if (m == 59)
  {
    display.print("Fifty-Nine ");
  }
  if (hour()  < 12)
  {
    display.setCursor(38, 24);
    display.print("AM");
  }
  if (hour() == 12)
  {
    display.setCursor(38, 24);
    display.print("PM");
  }
  if (hour() == 24)
  {
    display.setCursor(38, 24);
    display.print("AM");
  }

  if (hour() > 12)
  {
    display.setCursor(38, 24);

    display.print("PM");

  }
}

void loop() {

  Display();
  display.setCursor(30, 0);
  display.print("It is");
  display.setCursor(0, 12);

  display.display();
  delay(1000);
  display.clearDisplay();
}

Downloadable files

photo diagram for hookup

OLED SDA to nano pin 4, SCL to nano pin 5. Push button 1 to ground and to nano pin 2 sets hour. Push button 2 to ground and to nano pin 3 sets minute.

photo diagram for hookup

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