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I became interested in making a chiming clock a few years ago when I had a raspberry pi but although it was successful, it consumed too much power. After getting to know about Arduino's I tried the same project with an RTC and a Dfplayer mini. The current at rest is 20mA.
The clock is digital or analogue and shown on a Nokia 5110 LCD (no backlight as yet). The time is provided by a DS1302 ( i'll assume it is already set to the correct time) and the chime (the zip is included) is selected mp3's from a preloaded micro sdcard formatted with fat32 to play on a Dfplayer mini.
The mp3's are zipped and must be added to an empty micro sdcard in order 0001.mp3 first 0002.mp3 second and so on. This is because the program uses position rather than file names to play the correct chime at the correct time. Although this is only a feature I have used and can easily be altered.
I have set the (Big Ben) chimes to start playing 20 seconds before each hour between 6am and 9pm (easily altered). This is so the actual bong is on the hour (or very close to it).
EDIT :: I have added cuckoo sounds from 10pm - 5am the next day
The circuit uses an Arduino Nano and I have tried to set the data pins in a logical order as it uses almost all of them to limit confusion.
Select code for either digital or analogue clock design with or without the nightly cuckoo sounds
Low power library :: GitHub - rocketscream/Low-Power: Low Power Library for Arduino
Demonstration :: https://youtu.be/-7SapXDONN4
#include <Arduino.h>
#include <SoftwareSerial.h>
#include <DFRobotDFPlayerMini.h>
#include <Ds1302.h>
#include <Adafruit_PCD8544.h> // include adafruit PCD8544 (Nokia 5110) library
Adafruit_PCD8544 display = Adafruit_PCD8544(7,8,9,10,11); // CLK, DIN, D/C, CS, RST
SoftwareSerial mySoftwareSerial (3,2); // DFPlayer Mini RX Pin3 -> TX .. TX Pin2 -> RX
DFRobotDFPlayerMini myDFPlayer;
Ds1302 rtc(6,4,5);
static const unsigned char PROGMEM Big_Ben_3[] ={
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7F, 0xFE, 0xD1, 0x0F, 0xFF, 0xFE, 0x7F, 0xF9, 0x05, 0x41,
0xFF, 0xFE, 0x63, 0xF0, 0x83, 0x42, 0x2F, 0xC6, 0x63, 0xDA, 0x05, 0x50, 0xBB, 0xC6, 0x6F, 0x8A,
0x51, 0x14, 0x25, 0xF6, 0x7F, 0x2D, 0x3F, 0xF9, 0x6A, 0xFE, 0x7E, 0x05, 0x83, 0x82, 0x50, 0x7E,
0x7C, 0x97, 0x07, 0x80, 0xA4, 0x3E, 0x7C, 0x2F, 0x83, 0x80, 0xE9, 0x5E, 0x78, 0x13, 0x87, 0x81,
0x10, 0x2E, 0x74, 0xA1, 0xC0, 0x02, 0x08, 0x1E, 0x73, 0x41, 0x80, 0x02, 0x05, 0x16, 0x7C, 0x81,
0x00, 0x00, 0x02, 0x6E, 0x47, 0x80, 0x00, 0x00, 0x02, 0xC2, 0x51, 0x80, 0x00, 0x00, 0x07, 0x16,
0x46, 0x60, 0x00, 0x00, 0x0F, 0x46, 0x22, 0x30, 0x00, 0x00, 0x18, 0x88, 0x08, 0x00, 0x00, 0x00,
0x00, 0xA0, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x60, 0x04, 0x00,
0x00, 0x00, 0x00, 0x40, 0x74, 0x00, 0x00, 0x00, 0x00, 0x5C, 0x27, 0xC0, 0x00, 0x00, 0x07, 0xC0,
0xFF, 0x40, 0x00, 0x00, 0x07, 0xFE, 0x27, 0xC0, 0x00, 0x00, 0x07, 0xC0, 0x74, 0x00, 0x00, 0x00,
0x00, 0x5C, 0x04, 0x00, 0x00, 0x00, 0x00, 0x40, 0x54, 0x00, 0x00, 0x00, 0x00, 0x60, 0x04, 0x20,
0x00, 0x00, 0x00, 0x00, 0x0C, 0x60, 0x00, 0x00, 0x10, 0xA0, 0x23, 0xF0, 0x00, 0x00, 0x1C, 0x88,
0x47, 0xF8, 0x00, 0x00, 0x1F, 0x42, 0x53, 0xF0, 0x00, 0x00, 0x1F, 0x12, 0x47, 0xE0, 0x00, 0x00,
0x07, 0xC6, 0x7C, 0x81, 0x00, 0x00, 0x02, 0x66, 0x73, 0x43, 0x80, 0x02, 0x05, 0x9E, 0x74, 0xA3,
0xC0, 0x03, 0x08, 0x4E, 0x78, 0x17, 0x83, 0x83, 0x10, 0x1E, 0x7C, 0x2F, 0x83, 0x81, 0xE9, 0x3E,
0x7C, 0x97, 0x03, 0x81, 0xA4, 0x7E, 0x7E, 0x15, 0x83, 0x82, 0xD0, 0xFE, 0x7F, 0xAD, 0x3F, 0xFD,
0x49, 0xFE, 0x63, 0xC8, 0x51, 0x14, 0x23, 0xC6, 0x63, 0xF2, 0x05, 0x50, 0xAF, 0xC6, 0x6B, 0xF8,
0x87, 0x42, 0x1F, 0xD6, 0x7F, 0xFE, 0x05, 0x50, 0xFF, 0xFE, 0x00, 0x00, 0x81, 0x01, 0x00, 0x00
};
static uint8_t last_second = 0;
static uint8_t last_minute = 0;
int hour2;
void setup()
{
display.begin(); // initialise the Nokia display
display.clearDisplay(); // clears the screen and buffer
display.setContrast(50);
mySoftwareSerial.begin(9600);
myDFPlayer.begin(mySoftwareSerial);
myDFPlayer.volume(15);
rtc.init(); // Initialise the Real Time Clock
}
void loop()
{
Ds1302::DateTime now; //Get the current time
rtc.getDateTime(&now);
if(last_second != now.second) {
if ((now.minute == 59) && (now.second == 40)) {
hour2 = now.hour +1;
chime();
}
last_second = now.second;
}
if (last_minute != now.minute) {
last_minute = now.minute;
float x1, y1, x2, y2, x3, y3, x4, y4,v1 ,v2 ,v3 ,v4 ,w1 ,w2 ,w3 ,w4, Am,Ah;
Am = (now.minute * 6);
Ah = (now.hour * 30) + (now.minute * 0.5);
x1=25*sin(Am*0.0175); // Co-ords For Minute Hand
y1=25*-cos(Am*0.0175);
x2=3*sin(Am*0.0175);
y2=3*-cos(Am*0.0175);
x3=10*sin((Am+8)*0.0175);
y3=10*-cos((Am+8)*0.0175);
x4=10*sin((Am-8)*0.0175);
y4=10*-cos((Am-8)*0.0175);
v1=20*sin(Ah*0.0175); // Co-ords For Hour Hand
w1=20*-cos(Ah*0.0175);
v2=3*sin(Ah*0.0175);
w2=3*-cos(Ah*0.0175);
v3=8*sin((Ah+14)*0.0175);
w3=8*-cos((Ah+14)*0.0175);
v4=8*sin((Ah-14)*0.0175);
w4=8*-cos((Ah-14)*0.0175);
display.drawBitmap(18,0,Big_Ben_3,48,48,BLACK); // Display Clock Face Bitmap
display.drawCircle(42,24,2,BLACK); // Draw Centre Circle
display.drawLine(x1+42, y1+24, x3+42, y3+24,BLACK); // Draw Minutes
display.drawLine(x3+42, y3+24, x2+42, y2+24,BLACK);
display.drawLine(x2+42, y2+24, x4+42, y4+24,BLACK);
display.drawLine(x4+42, y4+24, x1+42, y1+24,BLACK);
display.drawLine(v1+42, w1+24, v3+42, w3+24,BLACK); // Draw Hours
display.drawLine(v3+42, w3+24, v2+42, w2+24,BLACK);
display.drawLine(v2+42, w2+24, v4+42, w4+24,BLACK);
display.drawLine(v4+42, w4+24, v1+42, w1+24,BLACK);
display.display();
display.drawLine(x1+42, y1+24, x3+42, y3+24,WHITE); // Erase Minutes
display.drawLine(x3+42, y3+24, x2+42, y2+24,WHITE);
display.drawLine(x2+42, y2+24, x4+42, y4+24,WHITE);
display.drawLine(x4+42, y4+24, x1+42, y1+24,WHITE);
display.drawLine(v1+42, w1+24, v3+42, w3+24,WHITE); // Erase Hours
display.drawLine(v3+42, w3+24, v2+42, w2+24,WHITE);
display.drawLine(v2+42, w2+24, v4+42, w4+24,WHITE);
display.drawLine(v4+42, w4+24, v1+42, w1+24,WHITE);
//delay(800);
}
}
void chime() {
switch (hour2) {
case 6:
myDFPlayer.play(6);
break;
case 7:
myDFPlayer.play(7);
break;
case 8:
myDFPlayer.play(8);
break;
case 9:
myDFPlayer.play(9);
break;
case 10:
myDFPlayer.play(10);
break;
case 11:
myDFPlayer.play(11);
break;
case 12:
myDFPlayer.play(12);
break;
case 13:
myDFPlayer.play(1);
break;
case 14:
myDFPlayer.play(2);
break;
case 15:
myDFPlayer.play(3);
break;
case 16:
myDFPlayer.play(4);
break;
case 17:
myDFPlayer.play(5);
break;
case 18:
myDFPlayer.play(6);
break;
case 19:
myDFPlayer.play(7);
break;
case 20:
myDFPlayer.play(8);
break;
case 21:
myDFPlayer.play(9);
break;
case 22:
myDFPlayer.play(10);
break;
}
}
#include <Arduino.h>
#include <SoftwareSerial.h>
#include <DFRobotDFPlayerMini.h>
#include <Ds1302.h>
#include <Adafruit_PCD8544.h> // include adafruit PCD8544 (Nokia 5110) library
#include <LowPower.h>
SoftwareSerial mySoftwareSerial(3, 2); // RX, TX
DFRobotDFPlayerMini myDFPlayer;
// DS1302 RTC instance
Ds1302 rtc(6,4,5); //
// Nokia 5110 LCD module connections CLK, DIN, D/C, CS, RST (opposite to the actual pin positions !!)
Adafruit_PCD8544 display = Adafruit_PCD8544(7,8,9,10,11);
const static char* WeekDays[] =
{
" Mon ",
" Tues ",
" Wed ",
" Thurs ",
" Fri ",
" Sat ",
" Sun "
};
const static char* Months[] =
{
"Jan ",
"Feb ",
"Mar ",
"Apr ",
"May ",
"Jun ",
"Jul ",
"Aug ",
"Sep ",
"Oct ",
"Nov ",
"Dec "
};
static uint8_t last_second = 0;
int hour2;
void setup() {
// Serial.begin(115200);
display.begin(); // initialise the Nokia display
display.clearDisplay(); // clears the screen and buffer
display.setContrast(50);
mySoftwareSerial.begin(9600);
myDFPlayer.begin(mySoftwareSerial);
myDFPlayer.volume(15);
rtc.init(); // initialize the RTC
display.drawRect(0, 0, 84, 30, BLACK);
display.drawRect(0, 29, 84, 12, BLACK);
}
void loop()
{
// get the current time
Ds1302::DateTime now;
rtc.getDateTime(&now);
if (last_second != now.second)
{
// Serial.println(hour2);
if ((now.minute == 59) && (now.second == 40)) {
hour2 = now.hour;
hour2++;
// Serial.println("Go to chime");
chime();
}
last_second = now.second;
display.setTextColor(BLACK);
display.setTextSize(2);
display.setCursor(6,10);
if (now.hour <= 9) { //If Hour is single figures, put a 0 in front
display.print("0");
}
display.print(now.hour);
display.print(":");
if (now.minute <= 9) { //If Minute is single figures, put a 0 in front
display.print("0");
}
display.print(now.minute);
// display.print(":");
display.setTextSize(1);
if (now.second <= 9) { //If Seconds is single figures, put a 0 in front
display.print("0");
}
display.print(now.second);
display.setCursor(0,31);
display.print(WeekDays[now.dow -1]);
display.print(now.day);
display.print(" ");
display.print(Months[now.month -1]);
display.display();
display.setTextColor(WHITE);
display.setCursor(0,31);
display.print(WeekDays[now.dow -1]);
display.print(now.day);
display.print(" ");
display.print(Months[now.month -1]);
display.setTextSize(2);
display.setCursor(6,10);
if (now.hour <= 9) {
display.print("0");
}
display.print(now.hour);
display.print(":");
if (now.minute <= 9) {
display.print("0");
}
display.print(now.minute);
// display.print(":");
display.setTextSize(1);
if (now.second <= 9) {
display.print("0");
}
display.print(now.second);
// No need to display the screen again
}
// delay(100);
LowPower.powerDown(SLEEP_250MS,ADC_OFF,BOD_OFF);
}
void chime() {
switch (hour2) {
case 6:
myDFPlayer.play(6);
break;
case 7:
myDFPlayer.play(7);
break;
case 8:
myDFPlayer.play(8);
break;
case 9:
myDFPlayer.play(9);
break;
case 10:
myDFPlayer.play(10);
break;
case 11:
myDFPlayer.play(11);
break;
case 12:
myDFPlayer.play(12);
break;
case 13:
myDFPlayer.play(1);
break;
case 14:
myDFPlayer.play(2);
break;
case 15:
myDFPlayer.play(3);
break;
case 16:
myDFPlayer.play(4);
break;
case 17:
myDFPlayer.play(5);
break;
case 18:
myDFPlayer.play(6);
break;
case 19:
myDFPlayer.play(7);
break;
case 20:
myDFPlayer.play(8);
break;
case 21:
myDFPlayer.play(9);
break;
case 22:
myDFPlayer.play(10);
break;
}
}
#include <Arduino.h>
#include <SoftwareSerial.h>
#include <DFRobotDFPlayerMini.h>
#include <Ds1302.h>
#include <Adafruit_PCD8544.h> // include adafruit PCD8544 (Nokia 5110) library
Adafruit_PCD8544 display = Adafruit_PCD8544(7,8,9,10,11); // CLK, DIN, D/C, CS, RST
SoftwareSerial mySoftwareSerial (3,2); // DFPlayer Mini RX Pin3 -> TX .. TX Pin2 -> RX
DFRobotDFPlayerMini myDFPlayer;
Ds1302 rtc(6,4,5);
static const unsigned char PROGMEM Big_Ben_3[] ={
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7F, 0xFE, 0xD1, 0x0F, 0xFF, 0xFE, 0x7F, 0xF9, 0x05, 0x41,
0xFF, 0xFE, 0x63, 0xF0, 0x83, 0x42, 0x2F, 0xC6, 0x63, 0xDA, 0x05, 0x50, 0xBB, 0xC6, 0x6F, 0x8A,
0x51, 0x14, 0x25, 0xF6, 0x7F, 0x2D, 0x3F, 0xF9, 0x6A, 0xFE, 0x7E, 0x05, 0x83, 0x82, 0x50, 0x7E,
0x7C, 0x97, 0x07, 0x80, 0xA4, 0x3E, 0x7C, 0x2F, 0x83, 0x80, 0xE9, 0x5E, 0x78, 0x13, 0x87, 0x81,
0x10, 0x2E, 0x74, 0xA1, 0xC0, 0x02, 0x08, 0x1E, 0x73, 0x41, 0x80, 0x02, 0x05, 0x16, 0x7C, 0x81,
0x00, 0x00, 0x02, 0x6E, 0x47, 0x80, 0x00, 0x00, 0x02, 0xC2, 0x51, 0x80, 0x00, 0x00, 0x07, 0x16,
0x46, 0x60, 0x00, 0x00, 0x0F, 0x46, 0x22, 0x30, 0x00, 0x00, 0x18, 0x88, 0x08, 0x00, 0x00, 0x00,
0x00, 0xA0, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x60, 0x04, 0x00,
0x00, 0x00, 0x00, 0x40, 0x74, 0x00, 0x00, 0x00, 0x00, 0x5C, 0x27, 0xC0, 0x00, 0x00, 0x07, 0xC0,
0xFF, 0x40, 0x00, 0x00, 0x07, 0xFE, 0x27, 0xC0, 0x00, 0x00, 0x07, 0xC0, 0x74, 0x00, 0x00, 0x00,
0x00, 0x5C, 0x04, 0x00, 0x00, 0x00, 0x00, 0x40, 0x54, 0x00, 0x00, 0x00, 0x00, 0x60, 0x04, 0x20,
0x00, 0x00, 0x00, 0x00, 0x0C, 0x60, 0x00, 0x00, 0x10, 0xA0, 0x23, 0xF0, 0x00, 0x00, 0x1C, 0x88,
0x47, 0xF8, 0x00, 0x00, 0x1F, 0x42, 0x53, 0xF0, 0x00, 0x00, 0x1F, 0x12, 0x47, 0xE0, 0x00, 0x00,
0x07, 0xC6, 0x7C, 0x81, 0x00, 0x00, 0x02, 0x66, 0x73, 0x43, 0x80, 0x02, 0x05, 0x9E, 0x74, 0xA3,
0xC0, 0x03, 0x08, 0x4E, 0x78, 0x17, 0x83, 0x83, 0x10, 0x1E, 0x7C, 0x2F, 0x83, 0x81, 0xE9, 0x3E,
0x7C, 0x97, 0x03, 0x81, 0xA4, 0x7E, 0x7E, 0x15, 0x83, 0x82, 0xD0, 0xFE, 0x7F, 0xAD, 0x3F, 0xFD,
0x49, 0xFE, 0x63, 0xC8, 0x51, 0x14, 0x23, 0xC6, 0x63, 0xF2, 0x05, 0x50, 0xAF, 0xC6, 0x6B, 0xF8,
0x87, 0x42, 0x1F, 0xD6, 0x7F, 0xFE, 0x05, 0x50, 0xFF, 0xFE, 0x00, 0x00, 0x81, 0x01, 0x00, 0x00
};
static uint8_t last_second = 0;
static uint8_t last_minute = 0;
int hour2;
void setup()
{
display.begin(); // initialise the Nokia display
display.clearDisplay(); // clears the screen and buffer
display.setContrast(50);
mySoftwareSerial.begin(9600);
myDFPlayer.begin(mySoftwareSerial);
myDFPlayer.volume(15);
rtc.init(); // Initialise the Real Time Clock
}
void loop()
{
Ds1302::DateTime now; //Get the current time
rtc.getDateTime(&now);
if(last_second != now.second) {
if ((now.minute == 59) && (now.second == 40)) {
hour2 = now.hour +1;
chime();
}
last_second = now.second;
}
if (last_minute != now.minute) {
last_minute = now.minute;
float x1, y1, x2, y2, x3, y3, x4, y4,v1 ,v2 ,v3 ,v4 ,w1 ,w2 ,w3 ,w4, Am,Ah;
Am = (now.minute * 6);
Ah = (now.hour * 30) + (now.minute * 0.5);
x1=25*sin(Am*0.0175); // Co-ords For Minute Hand
y1=25*-cos(Am*0.0175);
x2=3*sin(Am*0.0175);
y2=3*-cos(Am*0.0175);
x3=10*sin((Am+8)*0.0175);
y3=10*-cos((Am+8)*0.0175);
x4=10*sin((Am-8)*0.0175);
y4=10*-cos((Am-8)*0.0175);
v1=20*sin(Ah*0.0175); // Co-ords For Hour Hand
w1=20*-cos(Ah*0.0175);
v2=3*sin(Ah*0.0175);
w2=3*-cos(Ah*0.0175);
v3=8*sin((Ah+14)*0.0175);
w3=8*-cos((Ah+14)*0.0175);
v4=8*sin((Ah-14)*0.0175);
w4=8*-cos((Ah-14)*0.0175);
display.drawBitmap(18,0,Big_Ben_3,48,48,BLACK); // Display Clock Face Bitmap
display.drawCircle(42,24,2,BLACK); // Draw Centre Circle
display.drawLine(x1+42, y1+24, x3+42, y3+24,BLACK); // Draw Minutes
display.drawLine(x3+42, y3+24, x2+42, y2+24,BLACK);
display.drawLine(x2+42, y2+24, x4+42, y4+24,BLACK);
display.drawLine(x4+42, y4+24, x1+42, y1+24,BLACK);
display.drawLine(v1+42, w1+24, v3+42, w3+24,BLACK); // Draw Hours
display.drawLine(v3+42, w3+24, v2+42, w2+24,BLACK);
display.drawLine(v2+42, w2+24, v4+42, w4+24,BLACK);
display.drawLine(v4+42, w4+24, v1+42, w1+24,BLACK);
display.display();
display.drawLine(x1+42, y1+24, x3+42, y3+24,WHITE); // Erase Minutes
display.drawLine(x3+42, y3+24, x2+42, y2+24,WHITE);
display.drawLine(x2+42, y2+24, x4+42, y4+24,WHITE);
display.drawLine(x4+42, y4+24, x1+42, y1+24,WHITE);
display.drawLine(v1+42, w1+24, v3+42, w3+24,WHITE); // Erase Hours
display.drawLine(v3+42, w3+24, v2+42, w2+24,WHITE);
display.drawLine(v2+42, w2+24, v4+42, w4+24,WHITE);
display.drawLine(v4+42, w4+24, v1+42, w1+24,WHITE);
//delay(800);
}
}
void chime() {
switch (hour2) {
case 6:
myDFPlayer.play(6);
break;
case 7:
myDFPlayer.play(7);
break;
case 8:
myDFPlayer.play(8);
break;
case 9:
myDFPlayer.play(9);
break;
case 10:
myDFPlayer.play(10);
break;
case 11:
myDFPlayer.play(11);
break;
case 12:
myDFPlayer.play(12);
break;
case 13:
myDFPlayer.play(1);
break;
case 14:
myDFPlayer.play(2);
break;
case 15:
myDFPlayer.play(3);
break;
case 16:
myDFPlayer.play(4);
break;
case 17:
myDFPlayer.play(5);
break;
case 18:
myDFPlayer.play(6);
break;
case 19:
myDFPlayer.play(7);
break;
case 20:
myDFPlayer.play(8);
break;
case 21:
myDFPlayer.play(9);
break;
case 22:
myDFPlayer.play(22);
break;
case 23:
myDFPlayer.play(23);
break;
case 24:
myDFPlayer.play(24);
break;
case 1:
myDFPlayer.play(13);
break;
case 2:
myDFPlayer.play(14);
break;
case 3:
myDFPlayer.play(15);
break;
case 4:
myDFPlayer.play(16);
break;
case 5:
myDFPlayer.play(17);
break;
}
}
Digital Clock face with nightly cuckoo sounds
ArduinoUse this code for digital display with cuckoo sounds. Program using Arduino IDE
#include <Arduino.h>
#include <SoftwareSerial.h>
#include <DFRobotDFPlayerMini.h>
#include <Ds1302.h>
#include <Adafruit_PCD8544.h> // include adafruit PCD8544 (Nokia 5110) library
#include <LowPower.h>
SoftwareSerial mySoftwareSerial(3, 2); // RX, TX
DFRobotDFPlayerMini myDFPlayer;
// DS1302 RTC instance
Ds1302 rtc(6,4,5); //
// Nokia 5110 LCD module connections CLK, DIN, D/C, CS, RST (opposite to the actual pin positions !!)
Adafruit_PCD8544 display = Adafruit_PCD8544(7,8,9,10,11);
const static char* WeekDays[] =
{
" Mon ",
" Tues ",
" Wed ",
" Thurs ",
" Fri ",
" Sat ",
" Sun "
};
const static char* Months[] =
{
"Jan ",
"Feb ",
"Mar ",
"Apr ",
"May ",
"Jun ",
"Jul ",
"Aug ",
"Sep ",
"Oct ",
"Nov ",
"Dec "
};
static uint8_t last_second = 0;
int hour2;
void setup() {
// Serial.begin(115200);
display.begin(); // initialise the Nokia display
display.clearDisplay(); // clears the screen and buffer
display.setContrast(50);
mySoftwareSerial.begin(9600);
myDFPlayer.begin(mySoftwareSerial);
myDFPlayer.volume(15);
rtc.init(); // initialize the RTC
display.drawRect(0, 0, 84, 30, BLACK);
display.drawRect(0, 29, 84, 12, BLACK);
}
void loop()
{
// get the current time
Ds1302::DateTime now;
rtc.getDateTime(&now);
if (last_second != now.second)
{
// Serial.println(hour2);
if ((now.minute == 59) && (now.second == 40)) {
hour2 = now.hour;
hour2++;
// Serial.println("Go to chime");
chime();
}
last_second = now.second;
display.setTextColor(BLACK);
display.setTextSize(2);
display.setCursor(6,10);
if (now.hour <= 9) { //If Hour is single figures, put a 0 in front
display.print("0");
}
display.print(now.hour);
display.print(":");
if (now.minute <= 9) { //If Minute is single figures, put a 0 in front
display.print("0");
}
display.print(now.minute);
// display.print(":");
display.setTextSize(1);
if (now.second <= 9) { //If Seconds is single figures, put a 0 in front
display.print("0");
}
display.print(now.second);
display.setCursor(0,31);
display.print(WeekDays[now.dow -1]);
display.print(now.day);
display.print(" ");
display.print(Months[now.month -1]);
display.display();
display.setTextColor(WHITE);
display.setCursor(0,31);
display.print(WeekDays[now.dow -1]);
display.print(now.day);
display.print(" ");
display.print(Months[now.month -1]);
display.setTextSize(2);
display.setCursor(6,10);
if (now.hour <= 9) {
display.print("0");
}
display.print(now.hour);
display.print(":");
if (now.minute <= 9) {
display.print("0");
}
display.print(now.minute);
// display.print(":");
display.setTextSize(1);
if (now.second <= 9) {
display.print("0");
}
display.print(now.second);
// No need to display the screen again
}
// delay(100);
LowPower.powerDown(SLEEP_250MS,ADC_OFF,BOD_OFF);
}
// Chime Routine 6am - 9pm = Westminster Chime
// 10pm - 5am = Cuckoo
void chime() {
switch (hour2) {
case 6:
myDFPlayer.play(6);
break;
case 7:
myDFPlayer.play(7);
break;
case 8:
myDFPlayer.play(8);
break;
case 9:
myDFPlayer.play(9);
break;
case 10:
myDFPlayer.play(10);
break;
case 11:
myDFPlayer.play(11);
break;
case 12:
myDFPlayer.play(12);
break;
case 13:
myDFPlayer.play(1);
break;
case 14:
myDFPlayer.play(2);
break;
case 15:
myDFPlayer.play(3);
break;
case 16:
myDFPlayer.play(4);
break;
case 17:
myDFPlayer.play(5);
break;
case 18:
myDFPlayer.play(6);
break;
case 19:
myDFPlayer.play(7);
break;
case 20:
myDFPlayer.play(8);
break;
case 21:
myDFPlayer.play(9);
break;
case 22:
myDFPlayer.play(22);
break;
case 23:
myDFPlayer.play(23);
break;
case 24:
myDFPlayer.play(24);
break;
case 1:
myDFPlayer.play(13);
break;
case 2:
myDFPlayer.play(14);
break;
case 3:
myDFPlayer.play(15);
break;
case 4:
myDFPlayer.play(16);
break;
case 5:
myDFPlayer.play(17);
break;
}
}
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