#include <LedControl.h>

// Pin: DIN, CLK, CS
LedControl lc = LedControl(12, 11, 10, 1);

// Pattern lettere 8x8
byte lettere[][8] = {

  // M
  {
    B10000001,
    B11000011,
    B10100101,
    B10011001,
    B10000001,
    B10000001,
    B10000001,
    B10000001
  },

  // A
  {
    B00111100,
    B01000010,
    B10000001,
    B11111111,
    B10000001,
    B10000001,
    B10000001,
    B10000001
  },

  // K
  {
    B01000001,
    B00100001,
    B00010001,
    B00001111,
    B00011001,
    B00100001,
    B01000001,
    B10000001
  },

  // E
  {
    B11111111,
    B00000001,
    B00000001,
    B11111111,
    B00000001,
    B00000001,
    B00000001,
    B11111111
  },

  // R
  {
    B01111111,
    B10000001,
    B10000001,
    B01111111,
    B00010001,
    B00100001,
    B01000001,
    B10000001
  },

  // Spazio
  {
    B00000000,
    B00000000,
    B00000000,
    B00000000,
    B00000000,
    B00000000,
    B00000000,
    B00000000
  },

  // I
  {
    B11111111,
    B00011000,
    B00011000,
    B00011000,
    B00011000,
    B00011000,
    B00011000,
    B11111111
  },

  // A
  {
    B00111100,
    B01000010,
    B10000001,
    B11111111,
    B10000001,
    B10000001,
    B10000001,
    B10000001
  },

  // L
  {
    B00000001,
    B00000001,
    B00000001,
    B00000001,
    B00000001,
    B00000001,
    B00000001,
    B11111111
  }
};

int letteretotale = 9;

void setup() {
  lc.shutdown(0, false);   // Accende la matrice
  lc.setIntensity(0, 8);   // Luminosità (0–15)
  lc.clearDisplay(0);
}

void loop() {
  for (int i = 0; i < letteretotale; i++) {
    mostralettera(lettere[i]);
    delay(800);
    lc.clearDisplay(0);
  }
}

// Funzione per visualizzare una lettera
void mostralettera(byte lettera[8]) {
  for (int row = 0; row < 8; row++) {
    lc.setRow(0, row, lettera[row]);
  }
}