int speed = 100;

int spalte[] = {8,7,6,5,4};
int zeile[] = {13, 12, 11, 10, 9};

byte A [] = {B01100, B10010, B11110, B10010, B10010};
byte B [] = {B11100, B10010, B11110, B10010, B11100};
byte C [] = {B01110, B10000, B10000, B10000, B01110};
byte D [] = {B11100, B10010, B10010, B10010, B11100};
byte E [] = {B11110, B10000, B11100, B10000, B11110};
byte F [] = {B11110, B10000, B11100, B10000, B10000};
byte G [] = {B01110, B10000, B10110, B10010, B11110};
byte H [] = {B10010, B10010, B11110, B10010, B10010};
byte I [] = {B00100, B00100, B00100, B00100, B00100};
byte J [] = {B00100, B00100, B00100, B10100, B11100};
byte K [] = {B10010, B10100, B11000, B10100, B10010};
byte L [] = {B10000, B10000, B10000, B10000, B11110};
byte M [] = {B10001, B11011, B10101, B10001, B10001};
byte N [] = {B10010, B11010, B10110, B10010, B10010};
byte O [] = {B01100, B10010, B10010, B10010, B01100};
byte P [] = {B11100, B10010, B10010, B11100, B10000};
byte Q [] = {B01110, B10001, B10101, B10010, B01101};
byte R [] = {B11100, B10010, B11100, B10010, B10010};
byte S [] = {B11110, B10000, B11110, B00010, B11110};
byte T [] = {B11111, B00100, B00100, B00100, B00100};
byte U [] = {B10010, B10010, B10010, B10010, B01100};
byte V [] = {B10001, B10001, B10001, B01010, B00100};
byte W [] = {B10001, B10001, B10101, B10101, B01110};
byte X [] = {B10010, B10010, B01100, B10010, B10010};
byte Y [] = {B10001, B10001, B01110, B00100, B00100};
byte Z [] = {B11110, B00010, B00100, B01000, B11110};
byte EX [] = {B00000, B00000, B00000, B00000, B00000};
byte ALL [] = {B11111, B11111, B11111, B11111, B11111};
byte smile [] = {B01010, B00000, B00100, B10001, B01110};
byte frown [] = {B10001, B00100, B00000, B01110, B10001};


void setup() {

  for (int i = 4; i < 14; i++) {
    pinMode(i, OUTPUT);
  }

}

void loop() {
  displaythis(F);
}

void displaythis(byte buffer2[]) {
  for (int a = 0; a <= 4; a++) {
    digitalWrite(zeile[a], 1);
    for (int i = 0; i < 5; i++) {
      digitalWrite(spalte[i],  (buffer2[a]));
      digitalWrite(spalte[i], 0);
    }
    digitalWrite(zeile[a], 0);
  }
}