Scrolling Text on LED Dot Matrix

Scrolling Text on LED Dot Matrix

In the above video you will find how to identify the pins of LED Dot Matrix, After fining the Pin Configuration we can proceed to connect the pins with Arduino nano row wise and column wise.

Circuit Diagram: https://arduinobymanmohan.blogspot.com/p/scrolling-text-on-led-dot-matrix.html
Code Link: https://arduinobymanmohan.blogspot.com/p/scrolling-text-on-led-dot-matrix.html
Blog Page: https://arduinobymanmohan.blogspot.com/p/scrolling-text-on-led-dot-matrix.html



Manmohan Pal
Mob. 8989811397
Email- mannmohanpal@gmail.com
Blog: http://electronics4ubymanmohanpal.blogspot.in/p/blog-page_5.html
Youtube Channel: https://www.youtube.com/channel/UCDnhARnHOEIPuNIEp5vPdGQ

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              CODE
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char ground[8] = {A1,A0,13,12,11,10,9,8};
//{8,9,10,11,12,13,A0,A1};
             

char ALPHA[] = {0,0,0,0,0,0,0,0,0,0,0,


127, 8, 20, 34, 65,0,   //K
124, 2, 1, 2, 124,0,    //V
127, 32, 16, 8, 127,0,  //N
127, 32, 16, 32, 127,0, //M
127, 8, 8, 8, 127,0,    //H

//13,63,86,63,13,0,0,0,
  //126,24,24,24,24,24,24,0,               // T

  //102,102,102,126,102,102,102,0,         // H
//24,60,102,126,102,102,102,0,             // A
  //102,118,126,126,110,102,102,0,         // N
  // 102,108,120,112,120,108,102,0,          // K
  //102,102,102,60,24,24,24,0,           // Y
  //60,102,102,102,102,102,60,0,            // O
    //102,102,102,102,102,102,60,0,          // U
 0,0,0,0,0,0,0,0,0,0,0
};
void setup()
{
  for (int x=8;x<14;x++)
  {
    pinMode(x, OUTPUT);
  }
  pinMode(A0, OUTPUT);
  pinMode(A1, OUTPUT);

  for (int i=0;i<8;i++)
  {
    digitalWrite(ground[i],HIGH);
  }
  DDRD = 0xFF;
  PORTD =0;
}

void loop()
{
  for(int x=0;x<142;x++)
  {
    for(int a=0;a<20;a++)
    {
         for (int i=0;i<8;i++)
          {
             digitalWrite(ground[i],LOW);
             PORTD = ALPHA[i+x];
            delay(1);
            digitalWrite(ground[i],HIGH);
          }
    }
  }
  delay(10);
}
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                   END
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