#include <LedControl.h>

// Pin configuration for the LED matrix
const int dataIn = 12;
const int clk = 11;
const int load = 10;
const int numDevices = 1; // Number of 8x8 matrices

LedControl lc = LedControl(dataIn, clk, load, numDevices);

// Character bitmaps (example for letters A, B, C, and D)
const byte name[5][8] = {
  {
  0b00110000,
  0b01111000,
  0b11001100,
  0b11001100,
  0b11111100,
  0b11001100,
  0b11001100,
  0b00000000
},{
  0b01111110,
  0b00110010,
  0b00110010,
  0b00111110,
  0b00110110,
  0b00110010,
  0b01110010,
  0b00000000
},{
  0b11001100,
  0b11001100,
  0b11001100,
  0b11001100,
  0b11001100,
  0b11001100,
  0b11111100,
  0b00000000
},{
  0b11000110,
  0b11100110,
  0b11110110,
  0b11011110,
  0b11001110,
  0b11000110,
  0b11000110,
  0b00000000
},{
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000
}
};

// Define the message to display (indices correspond to the font array)
const int message[] = {0, 1, 2, 3,4}; // Displaying characters A, B, C, D
const int messageLength = sizeof(message) / sizeof(message[0]);

void setup() {
  // Initialize the LED matrix
  for (int i = 0; i < numDevices; i++) {
    lc.shutdown(i, false); // Wake up displays
    lc.setIntensity(i, 8); // Set brightness level (0 is min, 15 is max)
    lc.clearDisplay(i);   // Clear display
  }
}

void loop()
 {
  for (int i = 0; i < messageLength; i++) 
  {
    for (int j = 0; j < 8; j++)
     {
    lc.setRow(0, j, name[i][j]);  
  }
    delay(1000);
  }
}