khthana

int LED_Pin = 13;
String SerialString = "";

void setup() {
  Serial.begin(115200);
  pinMode(LED_Pin, OUTPUT);
}

void loop() {
  while (Serial.available()) {

khthana

#include "LedControl.h"
#include "FontLEDClock.h"

LedControl lc = LedControl(11, 13, 10, 4);              // DIN,CLK,CS,Number of LED Module
uint8_t intensity = 8;
uint8_t hour  = 12, minute = 10, second = 0; //Variable Clock mode

void setup()
{
  int devices = lc.getDeviceCount();                    /* find no of LED modules */

khthana

/* 
Example Timer1 Interrupt
Flash LED every second
*/

#define ledPin 13
int timer1_counter;
int t1=0;
void setup()
{

khthana

#include "LedControl.h"
#include "FontLEDClock.h" // Font library

LedControl lc=LedControl(11,13,10,4);  // DIN,CLK,CS,Number of LED Module
uint8_t intensity = 1;

unsigned long delaytime=50;  // time to updates of the display

void setup() {
  int devices=lc.getDeviceCount();  // find no of LED modules

khthana

void print_tiny_char(uint8_t x, uint8_t y, char c)
{
  uint8_t dots;
  if (c >= 'A' && c <= 'Z' || (c >= 'a' && c <= 'z') ) { c &= 0x1F; }  // A-Z maps to 1-26 
  else if (c >= '0' && c <= '9') { c = (c - '0') + 32; }
  else if (c == ' ') { c = 0;  } // space 
  else if (c == '.') { c = 27; } // full stop 
  else if (c == ':') { c = 28; } // colon 
  else if (c == '\''){ c = 29; } // single quote mark 
  else if (c == '!') { c = 30; } // single quote mark 

khthana

void plot (uint8_t x, uint8_t y, uint8_t value) {

  //select which matrix depending on the x coord
  uint8_t address;
  if (x >= 0 && x <= 7)   { address = 3; }
  if (x >= 8 && x <= 15)  { address = 2; x = x - 8; }
  if (x >= 16 && x <= 23) { address = 1; x = x - 16;}
  if (x >= 24 && x <= 31) { address = 0; x = x - 24;}

  if (value == 1) {

khthana

//Modify From https://www.instructables.com/id/Arduino-Dot-Matrix-Game-Console/

#include "LedControl.h"
// connection to MAX7219 (data, clik, load, #of dispplay)
LedControl lc = LedControl(11,13,10,1);

// direction
const int TOP    = 0;
const int RIGHT  = 1;
const int BOTTOM = 2;

khthana

#include <SPI.h>

const int CS_PIN   = 10;    // SPI /SS
const int CLK_PIN  = 13;  // SPI SCK
const int DIN_PIN  = 11;  // SPI MOSI

void MAX7219_write_reg( uint8_t addr, uint8_t data ) {
  digitalWrite( CS_PIN, LOW );
  SPI.transfer( addr );
  SPI.transfer( data );

khthana

#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <DHT_U.h>
#include <IRremote.h>
#include <IRremoteInt.h>

#define VR_Pin A0
#define LDR_Pin A1
#define LM35_Pin A2

khthana

//We always have to include the library
#include "LedControl.h"

/*
 Now we need a LedControl to work with.
 ***** These pin numbers will probably not work with your hardware *****
 pin 12 is connected to the DataIn 
 pin 11 is connected to the CLK 
 pin 10 is connected to LOAD 
 We have only a single MAX72XX.