RGB Led Matrix Clock With Arduino

RGB Matrix p4 with arduino mega 64*32 P4-256*128-2121-A2

RGB Matrix p4 with arduino mega 64x32
DS1307 Real Time Clock
64x32 rgb led matrix arduino
64x32 rgb led matrix arduino code
matrice led rgb arduino

 This project with esp32 

ESP32 P4 32x64 RGB Led Matrix SD Card DHT11 RTC DS1307

ESP32 DHT11 RTC DS1307 SD Card P4 RGB Led Matrix

 

RGB LED Matrix with an ESP32 - How to get started
Projet With ESP32 and Matrix Led

Schema

ARDUINO 1.8.5

Library

https://github.com/adafruit/RGB-matrix-Panel
https://github.com/adafruit/Adafruit-GFX-Library
https://github.com/MajicDesigns/DS1307

Code

// testshapes demo for RGBmatrixPanel library.
// Demonstrates the drawing abilities of the RGBmatrixPanel library.
// For 32x64 RGB LED matrix.

// WILL NOT FIT on ARDUINO UNO -- requires a Mega, M0 or M4 board



#include <Adafruit_GFX.h>   // Core graphics library
#include <RGBmatrixPanel.h> // Hardware-specific library
#include <MD_DS1307.h>
#include <Wire.h>
#define CLK 11 // USE THIS ON ARDUINO MEGA
#define OE   9
#define LAT 10
#define A   A0
#define B   A1
#define C   A2
#define D   A3

RGBmatrixPanel matrix(A, B, C, D, CLK, LAT, OE, false, 64);
// Global variables
#define MAX_MESG  4
#define MAX_MES  20
unsigned int NewRTCh = 24;
unsigned int NewRTCm = 60;
unsigned int NewRTCs = 60;
char szTime[12];    // mm:ss\0
char szMesg[MAX_MESG+1] = "";
char szDate[MAX_MES+1] = "";
char *mon2str(uint8_t mon, char *psz, uint8_t len)
// Get a label from PROGMEM into a char array
{
  static const char str[][4] PROGMEM =
  {
    "Jan", "Feb", "Mar", "Apr", "May", "Jun",
    "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
  };

  *psz = '\0';
  mon--;
  if (mon < 12)
  {
    strncpy_P(psz, str[mon], len);
    psz[len] = '\0';
  }

  return(psz);
}

char *dow2str(uint8_t code, char *psz, uint8_t len)
{
  static const char str[][10] PROGMEM =
  {
    "Su", "Mo", "Tu", "We",
    "Th", "Fr", "Sa"
  };

  *psz = '\0';
  code--;
  if (code < 7)
  {
    strncpy_P(psz, str[code], len);
    psz[len] = '\0';
  }

  return(psz);
}
void getTime(char *psz, bool f = true)
// Code for reading clock time
{
 
  RTC.readTime();
    if (NewRTCh != RTC.h) 
  {
  sprintf(psz, "%02d", RTC.h);
  matrix.setCursor(2, 4); 
  matrix.setTextSize(2);
    matrix.setTextColor(matrix.Color333(7, 0, 7));
  matrix.fillRect(2, 4, 64, 14, matrix.Color333(0, 0, 0));
    matrix.print(szTime);
  sprintf(psz, "%02d", RTC.m);
  matrix.setCursor(28, 4); 
    matrix.setTextColor(matrix.Color333(7, 0, 7));
  matrix.fillRect(25, 4, 25, 14, matrix.Color333(0, 0, 0));
    matrix.print(szTime);
  matrix.setCursor(21, 4); 
  matrix.setTextColor(matrix.Color333(7, 0, 0));
  matrix.fillRect(25, 8, 2, 6, matrix.Color333(0, 0, 0));
    matrix.print(f ? ':' : ' ');
  matrix.setCursor(52, 9); 
  matrix.setTextSize(1);
  matrix.setTextColor(matrix.Color333(7, 7, 0));
  matrix.fillRect(52, 9, 11, 7, matrix.Color333(0, 0, 0));
  sprintf(psz, "%02d", RTC.s);
    matrix.print(szTime);
        getDate(szDate);
  matrix.setCursor(5, 20);
  matrix.fillRect(5, 20, 54, 8, matrix.Color333(0, 0, 0));
  uint8_t y = 0;
  for (y=0; y<10; y++) {
    matrix.setTextColor(Wheel(y));
    matrix.print(szDate[y]);
    }
        getDay(szMesg);
  matrix.setTextSize(1);
  matrix.setCursor(52, 1);
  matrix.setTextColor(matrix.Color333(0, 7, 0));
  matrix.fillRect(52, 1, 11, 7, matrix.Color333(0, 0, 0));
    matrix.print(szMesg);
      NewRTCh=RTC.h;
    }
    else if (NewRTCm != RTC.m) 
  {
  sprintf(psz, "%02d", RTC.m);
  matrix.setCursor(28, 4); 
  matrix.setTextSize(2);
    matrix.setTextColor(matrix.Color333(7, 0, 7));
  matrix.fillRect(25, 4, 25, 14, matrix.Color333(0, 0, 0));
    matrix.print(szTime);
  matrix.setCursor(21, 4); 
  matrix.setTextColor(matrix.Color333(0, 0, 7));
  matrix.fillRect(25, 8, 2, 6, matrix.Color333(0, 0, 0));
    matrix.print(f ? ':' : ' ');
  matrix.setCursor(52, 9); 
  matrix.setTextSize(1);
  matrix.setTextColor(matrix.Color333(0, 7, 7));
  sprintf(psz, "%02d", RTC.s);
  matrix.fillRect(52, 9, 11, 7, matrix.Color333(0, 0, 0));
    matrix.print(szTime);
      NewRTCm=RTC.m;
    }
    else if (NewRTCs != RTC.s/10) 
  {
  matrix.setCursor(21, 4); 
  matrix.setTextSize(2);
  matrix.setTextColor(matrix.Color333(0, 7, 0));
  matrix.fillRect(25, 8, 2, 6, matrix.Color333(0, 0, 0));
    matrix.print(f ? ':' : ' ');
  matrix.setCursor(52, 9); 
  matrix.setTextSize(1);
  matrix.setTextColor(matrix.Color333(0, 0, 7));
  sprintf(psz, "%02d", RTC.s);
  matrix.fillRect(52, 9, 11, 7, matrix.Color333(0, 0, 0));
    matrix.print(szTime);
      NewRTCs=RTC.s/10;
    }
    else
  {
  matrix.setCursor(21, 4); 
  matrix.setTextSize(2);
  matrix.setTextColor(matrix.Color333(0, 0, 7));
  matrix.fillRect(25, 8, 2, 6, matrix.Color333(0, 0, 0));
    matrix.print(f ? ':' : ' ');
  matrix.setCursor(52, 9); 
  matrix.setTextSize(1);
  matrix.setTextColor(matrix.Color333(7, 0, 0));
  sprintf(psz, "%02d", RTC.s);
  matrix.fillRect(58, 9, 5, 7, matrix.Color333(0, 0, 0));
    matrix.print(szTime);
    }
  }
void getDate(char *psz)
// Code for reading date
{
  char  szBuf[10];
  sprintf(psz, "%02d%s%04d", RTC.dd, mon2str(RTC.mm, szBuf, sizeof(szBuf)-1), RTC.yyyy);
}
void getDay(char *psz)
// Code for reading day date
{
  dow2str(RTC.dow, szMesg, MAX_MESG);
}

void setup() {

  matrix.begin();
  matrix.setTextWrap(false);
  RTC.control(DS1307_CLOCK_HALT, DS1307_OFF);
  RTC.control(DS1307_12H, DS1307_OFF);
}

void loop() {
  static uint32_t lastime = 0; // millis() memory
  static bool flasher = false;  // seconds passing flasher
  if (millis() - lastime >= 1000)
  
   {
    lastime = millis();
    getTime(szTime, flasher);
    flasher = !flasher;
  }
 
}


// Input a value 0 to 24 to get a color value.
// The colours are a transition r - g - b - back to r.
uint16_t Wheel(byte WheelPos) {
  if(WheelPos < 2) {
   return matrix.Color333(0, 7, 0);
  } else if(WheelPos < 5) {
   WheelPos -= 2;
   return matrix.Color333(7 , 0, 0);
  } else {
   WheelPos -= 5;
   return matrix.Color333(0, 7, 0);
  }
}