Arduino clock

1//arduino clock by blogduino 30/09/2022
2
3
4
5#include <SPI.h>
6#include  <Wire.h>
7#include <Adafruit_GFX.h>
8#include <Adafruit_SH110X.h>
9//fonts  https://learn.adafruit.com/adafruit-gfx-graphics-library/using-fonts#step-2
10#include  <Fonts/FreeSerif9pt7b.h>
11#include <RTClib.h>
12
13#define i2c_Address 0x3c  
14#define SCREEN_WIDTH 128 
15#define SCREEN_HEIGHT 64 
16#define OLED_RESET  -1  
17Adafruit_SH1106G display = Adafruit_SH1106G(SCREEN_WIDTH, SCREEN_HEIGHT,  &Wire, OLED_RESET);
18RTC_DS3231 rtc;
19
20
21int day;
22int month;
23int  year;
24int temperature;
25String time;
26
27void setup(void) {
28  // put  your setup code here, to run once:
29Serial.begin(115200);
30    delay(250);
31    display.begin(i2c_Address, true);
32     // SETUP RTC MODULE
33  if (! rtc.begin())  {
34    Serial.println("Couldn't find RTC");
35    Serial.flush();
36    while  (true);
37  }
38
39  // automatically sets the RTC to the date & time on PC this  sketch was compiled
40  rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
41  time.reserve(1);  // to avoid fragmenting memory when using String
42  
43  
44}
45
46void loop()  {
47  // put your main code here, to run repeatedly:
48
49
50 DateTime now =  rtc.now();
51
52  time = "";
53  time += now.hour();
54  time += ':';
55  time += now.minute();
56  time += ':';
57  time += now.second();
58  
59  day  = now.day();
60  month = now.month();
61  year = now.year();
62 temperature =  rtc.getTemperature();
63
64if(millis()%1000==0){
65      display.clearDisplay();
66      display.setTextSize(2);
67      //display.setFont(&FreeSerif9pt7b);
68      display.setTextColor(SH110X_WHITE);
69      display.setCursor(20, 5);
70      display.println(time);
71
72      
73
74      //Original Font
75      display.setFont();
76       display.setCursor(45,  25);
77      display.println(temperature);
78      display.setCursor(70, 25);
79      display.println('c');
80      display.setTextSize(2);
81      display.setCursor(8,  45);
82      display.println(day);
83      display.setCursor(51,45);
84      display.println(month);
85      display.setCursor(79,45);
86      display.println(year);
87      display.setTextSize(3);
88      display.setCursor(34,40);
89      display.println('/');
90      display.setCursor(62,40);
91      display.println('/');
92      
93      display.display();
94  
95  }
96}
97

1//arduino clock by blogduino 30/09/2022
2
3
4
5#include <SPI.h>
6#include
7  <Wire.h>
8#include <Adafruit_GFX.h>
9#include <Adafruit_SH110X.h>
10//fonts
11  https://learn.adafruit.com/adafruit-gfx-graphics-library/using-fonts#step-2
12#include
13  <Fonts/FreeSerif9pt7b.h>
14#include <RTClib.h>
15
16#define i2c_Address 0x3c
17  
18#define SCREEN_WIDTH 128 
19#define SCREEN_HEIGHT 64 
20#define OLED_RESET
21  -1  
22Adafruit_SH1106G display = Adafruit_SH1106G(SCREEN_WIDTH, SCREEN_HEIGHT,
23  &Wire, OLED_RESET);
24RTC_DS3231 rtc;
25
26
27int day;
28int month;
29int
30  year;
31int temperature;
32String time;
33
34void setup(void) {
35  // put
36  your setup code here, to run once:
37Serial.begin(115200);
38    delay(250);
39
40    display.begin(i2c_Address, true);
41     // SETUP RTC MODULE
42  if (! rtc.begin())
43  {
44    Serial.println("Couldn't find RTC");
45    Serial.flush();
46    while
47  (true);
48  }
49
50  // automatically sets the RTC to the date & time on PC this
51  sketch was compiled
52  rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
53  time.reserve(1);
54  // to avoid fragmenting memory when using String
55  
56  
57}
58
59void loop()
60  {
61  // put your main code here, to run repeatedly:
62
63
64 DateTime now =
65  rtc.now();
66
67  time = "";
68  time += now.hour();
69  time += ':';
70
71  time += now.minute();
72  time += ':';
73  time += now.second();
74  
75  day
76  = now.day();
77  month = now.month();
78  year = now.year();
79 temperature =
80  rtc.getTemperature();
81
82if(millis()%1000==0){
83      display.clearDisplay();
84
85      display.setTextSize(2);
86      //display.setFont(&FreeSerif9pt7b);
87      display.setTextColor(SH110X_WHITE);
88
89      display.setCursor(20, 5);
90      display.println(time);
91
92      
93
94
95      //Original Font
96      display.setFont();
97       display.setCursor(45,
98  25);
99      display.println(temperature);
100      display.setCursor(70, 25);
101
102      display.println('c');
103      display.setTextSize(2);
104      display.setCursor(8,
105  45);
106      display.println(day);
107      display.setCursor(51,45);
108      display.println(month);
109
110      display.setCursor(79,45);
111      display.println(year);
112      display.setTextSize(3);
113
114      display.setCursor(34,40);
115      display.println('/');
116      display.setCursor(62,40);
117
118      display.println('/');
119      
120      display.display();
121  
122  }
123}
124