Other Arduino Codes and Videos by Robojax

8x8 LED Matrix using MAX7219 Arduino Module

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8x8 LED Matrix using MAX7219 Arduino Module

IN this video you will learn how to use 8x8 Matrix LED to display text and move it. This video shows you how to use MAX7219 module with 8x8 LED matrix to display text or any characters on the LED.

This code is for Arduino Uno. Click here for Arduino Mega Code

  
/*
 * This video shows you how to use MAX7219 module with 8x8 LED matrix to display text or any characters on the LED.
* watch YouTube video: https://youtu.be/AAiDwBKs9uE
 * 
 *Written by Ahmad Shamshiri for Robojax.com
 *on Feb 26, 2017 in Ajax, Ontario, Canada
* Get this code and other Arduino codes from Robojax.com
Learn Arduino step by step in structured course with all material, wiring diagram and library
all in once place. Purchase My course on Udemy.com http://robojax.com/L/?id=62

****************************
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videos I publish on YouTube here: http://robojax.com/L/?id=63 (watch until end of this video to list of my Patrons)
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or make donation using PayPal http://robojax.com/L/?id=64

 * This code is "AS IS" without warranty or liability. Free to be used as long as you keep this note intact.* 
 * This code has been download from Robojax.com
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/


//We always have to include the library
// Based on a project posted https://github.com/wayoda/LedControl
#include "LedControl.h"

/*
 Now we need a LedControl to work with.
 // Customized for RoboJax.com on Feb 26, 2017 in Ajax, Ontario, Canada.
 ***** 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 CS
 We have only a single MAX72XX.
 */
LedControl lc=LedControl(12,11,10,1);

/* we always wait a bit between updates of the display */
unsigned long delaytime=600;

void setup() {
  /*
   The MAX72XX is in power-saving mode on startup,
   we have to do a wakeup call
   */
  lc.shutdown(0,false);
  /* Set the brightness to a medium values */
  lc.setIntensity(0,8);
  /* and clear the display */
  lc.clearDisplay(0);
}

/*
 This method will display the characters for the
 word "Arduino" one after the other on the matrix. 
 (you need at least 5x7 leds to see the whole chars)
 */
void writeArduinoOnMatrix() {
  /* here is the data for the characters */

  // K
  byte R[8]={B11111100,B10000100,B10000100,B11111000,B10100000,B10010000,B10001000,B10000100};
  byte O[8]={B00011000,B00100100,B01000010,B01000010,B01000010,B01000010,B00100100,B00011000};  
  byte B[8]={B11111100,B10000100,B10000100,B11111000,B10001000,B10000100,B10000100,B11111100};
  byte J[8]={B00011110,B00000100,B00000100,B00000100,B10000100,B10000100,B01000100,B00111000};
  byte A[8]={B00111000,B01000100,B10000010,B11111110,B10000010,B10000010,B10000010,B10000010};     
  byte X[8]={ B10000001,B01000010,B00100100,B00011000,B00011000,B00100100,B01000010,B10000001};
  byte love[8]={ B00000000,B01100110,B10011001,B10011001,B10000001,B01000010,B00100100,B00011000};  


  /* Letter   */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,R[i]);

  }
   
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter///////

  /* Letter   */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,O[i]);

  }
   
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter///////


  /* Letter   */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,B[i]);

  }
   
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter///////

  /* Letter   */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,O[i]);

  }
   
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter J///////

  /* Letter   */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,J[i]);

  }
   
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter///////

  /* Letter A  */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,A[i]);

  }
   
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter///////

  /* Letter X */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,X[i]);

  }
   
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter///////



  /* love */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,love[i]);

  }
   
  delay(delaytime);
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter///////

}// writeArduinoOnMatrix()  end


void loop() { 
  writeArduinoOnMatrix();

}
   

8x8 LED Matrix using MAX7219 Arduino Mega Module

IN this video you will learn how to use 8x8 Matrix LED to display text and move it. This video shows you how to use MAX7219 module with 8x8 LED matrix to display text or any characters on the LED.

This code is for Arduino Mega. Click here for Arduino Uno Code

  
/*
 * This video shows you how to use MAX7219 module with 8x8 LED matrix to display text or any characters on the LED.
* watch YouTube video: https://youtu.be/AAiDwBKs9uE
 * 
 *Written by Ahmad S. for Robojax.com
 *on Feb 26, 2017 in Ajax, Ontario, Canada
 * Permission granted to share this code given that this
 * note is kept with the code.
 * Disclaimer: this code is "AS IS" and for educational purpose only.

 */

//We always have to include the library
// Based on a project posted https://github.com/wayoda/LedControl
#include "LedControl.h"

/*
 Now we need a LedControl to work with.
 // Customized for RoboJax.com on Feb 26, 2017 in Ajax, Ontario, Canada.
 ***** These pin numbers will probably not work with your hardware *****
 pin 1 is connected to the DataIn 
 pin 4 is connected to the CLK 
 pin 53 is connected to CS
 We have only a single MAX72XX.
 */
LedControl lc=LedControl(1,4,53,1);// this line determines if this code can work with Arduino Mega or Arduino UNO

/* we always wait a bit between updates of the display */
unsigned long delaytime=600;

void setup() {
  /*
   The MAX72XX is in power-saving mode on startup,
   we have to do a wakeup call
   */
  lc.shutdown(0,false);
  /* Set the brightness to a medium values */
  lc.setIntensity(0,8);
  /* and clear the display */
  lc.clearDisplay(0);
}

/*
 This method will display the characters for the
 word "Arduino" one after the other on the matrix. 
 (you need at least 5x7 leds to see the whole chars)
 */
void writeArduinoOnMatrix() {
  /* here is the data for the characters */

  // K
  byte R[8]={B11111100,B10000100,B10000100,B11111000,B10100000,B10010000,B10001000,B10000100};
  byte O[8]={B00011000,B00100100,B01000010,B01000010,B01000010,B01000010,B00100100,B00011000};  
  byte B[8]={B11111100,B10000100,B10000100,B11111000,B10001000,B10000100,B10000100,B11111100};
  byte J[8]={B00011110,B00000100,B00000100,B00000100,B10000100,B10000100,B01000100,B00111000};
  byte A[8]={B00111000,B01000100,B10000010,B11111110,B10000010,B10000010,B10000010,B10000010};     
  byte X[8]={ B10000001,B01000010,B00100100,B00011000,B00011000,B00100100,B01000010,B10000001};
  byte love[8]={ B00000000,B01100110,B10011001,B10011001,B10000001,B01000010,B00100100,B00011000};  


  /* Letter   */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,R[i]);

  }
   
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter///////

  /* Letter   */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,O[i]);

  }
   
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter///////


  /* Letter   */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,B[i]);

  }
   
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter///////

  /* Letter   */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,O[i]);

  }
   
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter J///////

  /* Letter   */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,J[i]);

  }
   
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter///////

  /* Letter A  */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,A[i]);

  }
   
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter///////

  /* Letter X */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,X[i]);

  }
   
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter///////



  /* love */
  for (int i=0; i<8; i++){
  lc.setRow(0,i,love[i]);

  }
   
  delay(delaytime);
  delay(delaytime);
  for(int i=0; i<8; i++){
      lc.setRow(0,i,0);// this is for blank
  }  
/////////////// END of Letter///////

}// writeArduinoOnMatrix()  end


void loop() { 
  writeArduinoOnMatrix();

}
   

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