#include <LedControl.h>

int DIN = 12;
int CS =  11;
int CLK = 10;
byte letter_K[8] = {0x00, 0x42, 0x44, 0x48, 0x70, 0x48, 0x44, 0x42};
byte letter_A[8] = {0x18, 0x24, 0x42, 0x42, 0x7E, 0x42, 0x42, 0x42};
byte letter_R[8] = {0x7C, 0x42, 0x42, 0x7C, 0x48, 0x44, 0x42, 0x00};
byte letter_I[8] = {0x7E, 0x08, 0x08, 0x08, 0x08, 0x08, 0x7E, 0x00};
byte letter_N[8] = {0x42, 0x62, 0x72, 0x5A, 0x4E, 0x46, 0x42, 0x00};
byte letter_A2[8] = {0x18, 0x24, 0x42, 0x42, 0x7E, 0x42, 0x42, 0x42};

LedControl lc = LedControl(DIN, CLK, CS, 1);  // Initialize the LedControl library

void setup() {
  lc.shutdown(0, false);  // Turn on the display
  lc.setIntensity(0, 8);  // Set the brightness (0-15)
  lc.clearDisplay(0);     // Clear the display
}

void loop() {

  lc.setRow(0, 0, letter_K[0]);  // Display the first row of the letter 'K'
  lc.setRow(0, 1, letter_K[1]);  // Display the second row of the letter 'K'
  lc.setRow(0, 2, letter_K[2]);  // Display the third row of the letter 'K'
  lc.setRow(0, 3, letter_K[3]);  // Display the fourth row of the letter 'K'
  lc.setRow(0, 4, letter_K[4]);  // Display the fifth row of the letter 'K'
  lc.setRow(0, 5, letter_K[5]);  // Display the sixth row of the letter 'K'
  lc.setRow(0, 6, letter_K[6]);  // Display the seventh row of the letter 'K'
  lc.setRow(0, 7, letter_K[7]);  // Display the eighth row of the letter 'K'

  delay(1000);  // Delay for 1 second

  lc.setRow(0, 0, letter_A[0]);  // Display the first row of the letter 'A'
  lc.setRow(0, 1, letter_A[1]);  // Display the second row of the letter 'A'
  lc.setRow(0, 2, letter_A[2]);  // Display the third row of the letter 'A'
  lc.setRow(0, 3, letter_A[3]);  // Display the fourth row of the letter 'A'
  lc.setRow(0, 4, letter_A[4]);  // Display the fifth row of the letter 'A'
  lc.setRow(0, 5, letter_A[5]);  // Display the sixth row of the letter 'A'
  lc.setRow(0, 6, letter_A[6]);  // Display the seventh row of the letter 'A'
  lc.setRow(0, 7, letter_A[7]);  // Display the eighth row of the letter 'A'

  delay(1000);  // Delay for 1 second

  lc.setRow(0, 0, letter_R[0]);  // Display the first row of the letter 'R'
  lc.setRow(0, 1, letter_R[1]);  // Display the second row of the letter 'R'
  lc.setRow(0, 2, letter_R[2]);  // Display the third row of the letter 'R'
  lc.setRow(0, 3, letter_R[3]);  // Display the fourth row of the letter 'R'
  lc.setRow(0, 4, letter_R[4]);  // Display the fifth row of the letter 'R'
  lc.setRow(0, 5, letter_R[5]);  // Display the sixth row of the letter 'R'
  lc.setRow(0, 6, letter_R[6]);  // Display the seventh row of the letter 'R'
  lc.setRow(0, 7, letter_R[7]);  // Display the eighth row of the letter 'R'

  delay(1000);  // Delay for 1 second

  lc.setRow(0, 0, letter_I[0]);  // Display the first row of the letter 'I'
  lc.setRow(0, 1, letter_I[1]);  // Display the second row of the letter 'I'
  lc.setRow(0, 2, letter_I[2]);  // Display the third row of the letter 'I'
  lc.setRow(0, 3, letter_I[3]);  // Display the fourth row of the letter 'I'
  lc.setRow(0, 4, letter_I[4]);  // Display the fifth row of the letter 'I'
  lc.setRow(0, 5, letter_I[5]);  // Display the sixth row of the letter 'I'
  lc.setRow(0, 6, letter_I[6]);  // Display the seventh row of the letter 'I'
  lc.setRow(0, 7, letter_I[7]);  // Display the eighth row of the letter 'I'

  delay(1000);  // Delay for 1 second

  lc.setRow(0, 0, letter_N[0]);  // Display the first row of the letter 'N'
  lc.setRow(0, 1, letter_N[1]);  // Display the second row of the letter 'N'
  lc.setRow(0, 2, letter_N[2]);  // Display the third row of the letter 'N'
  lc.setRow(0, 3, letter_N[3]);  // Display the fourth row of the letter 'N'
  lc.setRow(0, 4, letter_N[4]);  // Display the fifth row of the letter 'N'
  lc.setRow(0, 5, letter_N[5]);  // Display the sixth row of the letter 'N'
  lc.setRow(0, 6, letter_N[6]);  // Display the seventh row of the letter 'N'
  lc.setRow(0, 7, letter_N[7]);  // Display the eighth row of the letter 'N'

  delay(1000);  // Delay for 1 second

  lc.setRow(0, 0, letter_A2[0]);  // Display the first row of the second 'A'
  lc.setRow(0, 1, letter_A2[1]);  // Display the second row of the second 'A'
  lc.setRow(0, 2, letter_A2[2]);  // Display the third row of the second 'A'
  lc.setRow(0, 3, letter_A2[3]);  // Display the fourth row of the second 'A'
  lc.setRow(0, 4, letter_A2[4]);  // Display the fifth row of the second 'A'
  lc.setRow(0, 5, letter_A2[5]);  // Display the sixth row of the second 'A'
  lc.setRow(0, 6, letter_A2[6]);  // Display the seventh row of the second 'A'
  lc.setRow(0, 7, letter_A2[7]);  // Display the eighth row of the second 'A'

  delay(1000);  // Delay for 1 second
}