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Control an 8x8 LED Matrix with Arduino Nano—No Drivers or Libraries Needed

Components and supplies

Control an 8x8 LED Matrix with Arduino Nano—No Drivers or Libraries Needed
Arduino Nano R3
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Control an 8x8 LED Matrix with Arduino Nano—No Drivers or Libraries Needed
LED Dot Matrix Display, Red
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Control an 8x8 LED Matrix with Arduino Nano—No Drivers or Libraries Needed
Through Hole Resistor, 330 ohm
×1

About this project

This video is a tutorial on how to control 1088AS Common Cathode 8x8 LED matrix without the use of any driver chips like MAX7219 and corresponding libraries.

I will soon create the second tutorial of controlling the same matrix but this time using MAX7219 and compare the results.

The complete tutorial can be found here:

If you like this content and you want to support me in clreating similar videos go to my Patreon webpage

https://www.patreon.com/MariosIdeas

Or

https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=7PD67JWZ9S3EJ&source=url

Code

  • Testing all 64 LED of the 8x8 LED matrix
  • Displaying cat image on 8x8 LED Matrix (Multiplexing)
  • Scrolling text on 8x8 LED matrix (Multiplexing)
Testing all 64 LED of the 8x8 LED matrixArduino
// Mario's Ideas
// Testing all 64 leds in 8x8 LED matrix by lighting them up one by one

// Raws 
#define R1 2
#define R2 3
#define R3 4
#define R4 5
#define R5 6
#define R6 7
#define R7 8
#define R8 9
//Columns
#define C1 10
#define C2 11
#define C3 12
#define C4 13
#define C5 A0
#define C6 A1
#define C7 A2
#define C8 A3



void setup() {
   pinMode(R1, OUTPUT);
   pinMode(R2, OUTPUT);
   pinMode(R3, OUTPUT);
   pinMode(R4, OUTPUT);
   pinMode(R5, OUTPUT);
   pinMode(R6, OUTPUT);
   pinMode(R7, OUTPUT);
   pinMode(R8, OUTPUT);
   pinMode(C1, OUTPUT);
   pinMode(C2, OUTPUT);
   pinMode(C3, OUTPUT);
   pinMode(C4, OUTPUT);
   pinMode(C5, OUTPUT);
   pinMode(C6, OUTPUT);
   pinMode(C7, OUTPUT);
   pinMode(C8, OUTPUT);
// Turning all the LEDs off at the start of the sketch
  digitalWrite(R1,HIGH);
  digitalWrite(R2,HIGH);
  digitalWrite(R3,HIGH);
  digitalWrite(R4,HIGH);
  digitalWrite(R5,HIGH);
  digitalWrite(R6,HIGH);
  digitalWrite(R7,HIGH);
  digitalWrite(R8,HIGH);
  digitalWrite(C1,LOW);
  digitalWrite(C2,LOW);
  digitalWrite(C3,LOW);
  digitalWrite(C4,LOW);
  digitalWrite(C5,LOW);
  digitalWrite(C6,LOW);
  digitalWrite(C7,LOW);
  digitalWrite(C8,LOW);
}



void SelectRow(int row){
  if (row==1) digitalWrite(R1,LOW); else digitalWrite(R1,HIGH);
  if (row==2) digitalWrite(R2,LOW); else digitalWrite(R2,HIGH);
  if (row==3) digitalWrite(R3,LOW); else digitalWrite(R3,HIGH);
  if (row==4) digitalWrite(R4,LOW); else digitalWrite(R4,HIGH);
  if (row==5) digitalWrite(R5,LOW); else digitalWrite(R5,HIGH);
  if (row==6) digitalWrite(R6,LOW); else digitalWrite(R6,HIGH);
  if (row==7) digitalWrite(R7,LOW); else digitalWrite(R7,HIGH);
  if (row==8) digitalWrite(R8,LOW); else digitalWrite(R8,HIGH);
}

void SelectColumn(int column){
  if (column==1) digitalWrite(C1,HIGH); else digitalWrite(C1,LOW);
  if (column==2) digitalWrite(C2,HIGH); else digitalWrite(C2,LOW);
  if (column==3) digitalWrite(C3,HIGH); else digitalWrite(C3,LOW);
  if (column==4) digitalWrite(C4,HIGH); else digitalWrite(C4,LOW);
  if (column==5) digitalWrite(C5,HIGH); else digitalWrite(C5,LOW);
  if (column==6) digitalWrite(C6,HIGH); else digitalWrite(C6,LOW);
  if (column==7) digitalWrite(C7,HIGH); else digitalWrite(C7,LOW);
  if (column==8) digitalWrite(C8,HIGH); else digitalWrite(C8,LOW);

}


void loop() {
  for (int i=1;i<9;i++) {
    for (int j=1;j<9;j++){
      SelectRow(i);
      SelectColumn(j); 
      delay(100);
    }
  }
}
Displaying cat image on 8x8 LED Matrix (Multiplexing)Arduino
// Mario's ideas
// Displaying cat image on 8x8 LED Matrix (Multiplexing)

// Raws 
#define R1 2
#define R2 3
#define R3 4
#define R4 5
#define R5 6
#define R6 7
#define R7 8
#define R8 9
//Columns
#define C1 10
#define C2 11
#define C3 12
#define C4 13
#define C5 A0
#define C6 A1
#define C7 A2
#define C8 A3

int pause=300;


  int Cat [8] [8] ={
  {1,0,0,0,1,0,0,0},
  {1,1,1,1,1,0,0,0},
  {1,0,1,0,1,0,0,0},
  {0,1,1,1,0,0,0,1},
  {0,0,1,0,0,0,0,1},
  {0,1,1,1,1,0,0,1},
  {0,1,1,1,1,1,0,1},
  {1,0,1,1,1,1,1,0},
  };

void setup() {
   pinMode(R1, OUTPUT);
   pinMode(R2, OUTPUT);
   pinMode(R3, OUTPUT);
   pinMode(R4, OUTPUT);
   pinMode(R5, OUTPUT);
   pinMode(R6, OUTPUT);
   pinMode(R7, OUTPUT);
   pinMode(R8, OUTPUT);
   pinMode(C1, OUTPUT);
   pinMode(C2, OUTPUT);
   pinMode(C3, OUTPUT);
   pinMode(C4, OUTPUT);
   pinMode(C5, OUTPUT);
   pinMode(C6, OUTPUT);
   pinMode(C7, OUTPUT);
   pinMode(C8, OUTPUT);

  digitalWrite(R1,HIGH);
  digitalWrite(R2,HIGH);
  digitalWrite(R3,HIGH);
  digitalWrite(R4,HIGH);
  digitalWrite(R5,HIGH);
  digitalWrite(R6,HIGH);
  digitalWrite(R7,HIGH);
  digitalWrite(R8,HIGH);
  digitalWrite(C1,LOW);
  digitalWrite(C2,LOW);
  digitalWrite(C3,LOW);
  digitalWrite(C4,LOW);
  digitalWrite(C5,LOW);
  digitalWrite(C6,LOW);
  digitalWrite(C7,LOW);
  digitalWrite(C8,LOW);
}



void SelectRow(int row){
  if (row==1) digitalWrite(R1,LOW); else digitalWrite(R1,HIGH);
  if (row==2) digitalWrite(R2,LOW); else digitalWrite(R2,HIGH);
  if (row==3) digitalWrite(R3,LOW); else digitalWrite(R3,HIGH);
  if (row==4) digitalWrite(R4,LOW); else digitalWrite(R4,HIGH);
  if (row==5) digitalWrite(R5,LOW); else digitalWrite(R5,HIGH);
  if (row==6) digitalWrite(R6,LOW); else digitalWrite(R6,HIGH);
  if (row==7) digitalWrite(R7,LOW); else digitalWrite(R7,HIGH);
  if (row==8) digitalWrite(R8,LOW); else digitalWrite(R8,HIGH);
}

void Set_LED_in_Active_Row(int column, int state){
  if (column==1) digitalWrite(C1,state); 
  if (column==2) digitalWrite(C2,state); 
  if (column==3) digitalWrite(C3,state); 
  if (column==4) digitalWrite(C4,state); 
  if (column==5) digitalWrite(C5,state); 
  if (column==6) digitalWrite(C6,state); 
  if (column==7) digitalWrite(C7,state); 
  if (column==8) digitalWrite(C8,state); 
}

void loop() {


    for (int j=0;j<8;j++){
    SelectRow(j+1);
      for (int i=0;i<8;i++){
        Set_LED_in_Active_Row(i+1 ,Cat[j][i]);
      }
      delay(2+pause);
    }
if(pause!=0 and pause>100)pause=pause-100;
if(pause!=0 and pause<=100)pause=pause-10;
}
Scrolling text on 8x8 LED matrix (Multiplexing)Arduino
// Mario's Ideas
// Scrolling text on 8x8 LED matrix (Multiplexing)

// Raws 
#define R1 2
#define R2 3
#define R3 4
#define R4 5
#define R5 6
#define R6 7
#define R7 8
#define R8 9
//Columns
#define C1 10
#define C2 11
#define C3 12
#define C4 13
#define C5 A0
#define C6 A1
#define C7 A2
#define C8 A3

int position=0;
  
  int Marios_ideas [8] [54] ={
  {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
  {0,1,0,0,0,1,0,0,1,1,0,0,1,1,1,0,0,0,0,0,1,1,0,1,0,1,1,0,0,0,0,0,0,1,1,1,0,0,1,1,1,0,0,1,1,0,0,0,1,1,0,0,0,0},
  {0,1,1,0,1,1,0,1,0,0,1,0,1,0,0,1,0,1,0,1,0,0,1,0,1,0,0,1,0,0,0,1,0,1,0,0,1,0,1,0,0,0,1,0,0,1,0,1,0,0,1,0,0,0},
  {0,1,0,1,0,1,0,1,0,0,1,0,1,0,0,1,0,1,0,1,0,0,1,0,1,0,0,0,0,0,0,1,0,1,0,0,1,0,1,0,0,0,1,0,0,1,0,1,0,0,0,0,0,0},
  {0,1,0,0,0,1,0,1,1,1,1,0,1,1,1,0,0,1,0,1,0,0,1,0,0,1,1,0,0,0,0,1,0,1,0,0,1,0,1,1,1,0,1,1,1,1,0,0,1,1,0,0,0,0},
  {0,1,0,0,0,1,0,1,0,0,1,0,1,0,0,1,0,1,0,1,0,0,1,0,0,0,0,1,0,0,0,1,0,1,0,0,1,0,1,0,0,0,1,0,0,1,0,0,0,0,1,0,0,0},
  {0,1,0,0,0,1,0,1,0,0,1,0,1,0,0,1,0,1,0,0,1,1,0,0,1,0,0, 1,0,0,0,1,0,1,1,1,0,0,1,0,0,0,1,0,0,1,0,1,0,0,1,0,0,0},
  {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,1,1,0,0,0,0}
  };

void setup() {
   pinMode(R1, OUTPUT);
   pinMode(R2, OUTPUT);
   pinMode(R3, OUTPUT);
   pinMode(R4, OUTPUT);
   pinMode(R5, OUTPUT);
   pinMode(R6, OUTPUT);
   pinMode(R7, OUTPUT);
   pinMode(R8, OUTPUT);
   pinMode(C1, OUTPUT);
   pinMode(C2, OUTPUT);
   pinMode(C3, OUTPUT);
   pinMode(C4, OUTPUT);
   pinMode(C5, OUTPUT);
   pinMode(C6, OUTPUT);
   pinMode(C7, OUTPUT);
   pinMode(C8, OUTPUT);

  digitalWrite(R1,HIGH);
  digitalWrite(R2,HIGH);
  digitalWrite(R3,HIGH);
  digitalWrite(R4,HIGH);
  digitalWrite(R5,HIGH);
  digitalWrite(R6,HIGH);
  digitalWrite(R7,HIGH);
  digitalWrite(R8,HIGH);
  digitalWrite(C1,LOW);
  digitalWrite(C2,LOW);
  digitalWrite(C3,LOW);
  digitalWrite(C4,LOW);
  digitalWrite(C5,LOW);
  digitalWrite(C6,LOW);
  digitalWrite(C7,LOW);
  digitalWrite(C8,LOW);
}



void SelectRow(int row){
  if (row==1) digitalWrite(R1,LOW); else digitalWrite(R1,HIGH);
  if (row==2) digitalWrite(R2,LOW); else digitalWrite(R2,HIGH);
  if (row==3) digitalWrite(R3,LOW); else digitalWrite(R3,HIGH);
  if (row==4) digitalWrite(R4,LOW); else digitalWrite(R4,HIGH);
  if (row==5) digitalWrite(R5,LOW); else digitalWrite(R5,HIGH);
  if (row==6) digitalWrite(R6,LOW); else digitalWrite(R6,HIGH);
  if (row==7) digitalWrite(R7,LOW); else digitalWrite(R7,HIGH);
  if (row==8) digitalWrite(R8,LOW); else digitalWrite(R8,HIGH);
}

void Set_LED_in_Active_Row(int column, int state){
  if (column==1) digitalWrite(C1,state); 
  if (column==2) digitalWrite(C2,state); 
  if (column==3) digitalWrite(C3,state); 
  if (column==4) digitalWrite(C4,state); 
  if (column==5) digitalWrite(C5,state); 
  if (column==6) digitalWrite(C6,state); 
  if (column==7) digitalWrite(C7,state); 
  if (column==8) digitalWrite(C8,state); 
}

void loop() {

  for (int x=0; x<5;x++){
    for (int j=0;j<8;j++){
    SelectRow(j+1);
      for (int i=0;i<8;i++){
        Set_LED_in_Active_Row(i+1,Marios_ideas[j][(i+position)-abs((i+position)/54)*54]);
      }
      delay(2);
    }
  }
  position=position+1;
}

Custom parts and enclosures

Schematics

Control an 8x8 LED Matrix with Arduino Nano—No Drivers or Libraries Needed

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