1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
| #include <Adafruit_LiquidCrystal.h>
#include <LiquidCrystal_I2C.h>
#include <virtuabotixRTC.h>
#include <virtuabotixRTC.h> //Libraries needed
#include <LiquidCrystal_I2C.h>
#define I2C_ADDR 0x27 //LCD i2c stuff
#define BACKLIGHT_PIN 3
#define En_pin 2
#define Rw_pin 1
#define Rs_pin 0
#define D4_pin 4
#define D5_pin 5
#define D6_pin 6
#define D7_pin 7
LiquidCrystal_I2C lcd(I2C_ADDR,16,2);En_pin,Rw_pin,Rs_pin,D4_pin,D5_pin,D6_pin,D7_pin);
//Wiring SCLK -> 6, I/O -> 7, CE -> 8
//Or CLK -> 6 , DAT -> 7, Reset -> 8
virtuabotixRTC myRTC(6, 7, 8); //If you change the wiring change the pins here also
void setup() {
Serial.begin(9600);
lcd.begin (16,2); //Initialize the LCD
lcd.setBacklightPin(BACKLIGHT_PIN,POSITIVE);
lcd.setBacklight(HIGH);
lcd.home ();
myRTC.setDS1302Time(15, 31, 15, 5, 12, 1, 2018); //Here you write your actual time/date as shown above
//but remember to "comment/remove" this function once you're done as I did
//The setup is done only one time and the module will continue counting it automatically
}
void loop() {
lcd.clear(); //Here after clearing the LCD we take the time from the module and print it on the screen with usual LCD functions
myRTC.updateTime();
lcd.setCursor(0,0);
lcd.print(myRTC.dayofmonth);
lcd.print("/");
lcd.print(myRTC.month);
lcd.print("/");
lcd.print(myRTC.year);
lcd.setCursor(0,1);
lcd.print(myRTC.hours);
lcd.print(":");
lcd.print(myRTC.minutes);
lcd.print(":");
lcd.print(myRTC.seconds);
delay(1000);
} |
