Source code for making the word "Arduino" show up when you move 10 LEDs past very quickly

ArduinoTextOnLEDs

/*       .-----------------,
 *      /  Text on 10 LEDs  \
 *      |  malcolmocean.com |
 *      \   Malcolm Ocean   /
 *       `-----------------'
 *  
 * For a description of how this code is used, see:
 *             http://malcolmocean.com/2011/11/arduino-text-on-leds/
 *
 * Uses a modifed version of the circuit at http://tinyurl.com/d2hrud
 * Really, all you need is 10 LEDs in a line.
 *
 */

int ledPins[] = {2,3,4,5,6,7,8,9,10,11};
int cols = 54;
int rows = 10;
int c = 0;
int r = 0;
int framerate = 3;

int oldpattern[10][20] = {{0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
                       {0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0},
                       {0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0},
                       {0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0},
                       {1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0},
                       {1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0},
                       {0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0},
                       {0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0},
                       {0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0},
                       {0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
                       
 int pattern[10][74] = {{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
{0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
{0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
{1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,0,1,1,1,1,1,0,0,1,1,0,0,1,1,0,0,1,1,1,1,0,0,0,0,1,1,1,1,1,0,0,0,0,1,1,1,1,0},
{1,1,0,0,1,1,0,0,1,1,0,1,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1},
{1,1,0,0,1,1,0,0,1,1,1,0,0,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1},
{1,1,1,1,1,1,0,0,1,1,0,0,0,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1},
{1,1,0,0,1,1,0,0,1,1,0,0,0,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1},
{1,1,0,0,1,1,0,0,1,1,0,0,0,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1},
{1,1,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0,1,1,0,0,1,1,0,0,0,1,1,1,1,0}};
 
 
void setup() {
  for(int i = 0; i < 10; i++) {    
      pinMode(ledPins[i],OUTPUT); 
  }
}
 
 
void loop() {
  for(int r = 0; r < rows; r++) {
    digitalWrite(ledPins[r], binToDigital(pattern[r][c]));
  }
  // go to next column or beginning
  c = (c == cols-1) ? 0 : c+1;
  delay(c==0 ? 1000 : framerate); // delay briefly. if at end of sequence, delay for 1s.
}

int binToDigital (int bin) {
  return bin == 1 ? HIGH : LOW;
}

// Random
void randomize() {
  int rint = random(rows);
  digitalWrite(ledPins[rint], !digitalRead(ledPins[rint]));
  delay(16);
}