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};

float timeCount = 0;

void setup() {

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

}

void loop() {

  timeCount += 1;

  if (timeCount <  2000)
  {
    showS();
  }
  else if (timeCount <  4000)
  {
    showT();
  }
  else if (timeCount <  6000)
  {
    showW();
  }
   else if (timeCount <  8000)
  {
    showsmile();
  }

  else if (timeCount <  10000)
  {
    showEX();
  }

  else {
    // back to the start
    timeCount = 0;
  }
}

void showS() {
  for (int a = 0; a <= 4; a++) {
    digitalWrite(zeile[a], 1);
    for (int i = 0; i < 5; i++) {
      digitalWrite(spalte[i], bitRead(S[a], i));
      digitalWrite(spalte[i], 0);
    }
    digitalWrite(zeile[a], 0);
  }
}
void showT() {
  for (int a = 0; a <= 4; a++) {
    digitalWrite(zeile[a], 1);
    for (int i = 0; i < 5; i++) {
      digitalWrite(spalte[i], bitRead(T[a], i));
      digitalWrite(spalte[i], 0);
    }
    digitalWrite(zeile[a], 0);
  }
}
void showW() {
  for (int a = 0; a <= 4; a++) {
    digitalWrite(zeile[a], 1);
    for (int i = 0; i < 5; i++) {
      digitalWrite(spalte[i], bitRead(W[a], i));
      digitalWrite(spalte[i], 0);
    }
    digitalWrite(zeile[a], 0);
  }
}
  void showEX() {
    for (int a = 0; a <= 4; a++) {
      digitalWrite(zeile[a], 1);
      for (int i = 0; i < 5; i++) {
        digitalWrite(spalte[i], bitRead(EX[a], i));
        digitalWrite(spalte[i], 0);
      }
      digitalWrite(zeile[a], 0);
    }
  }

    void showsmile() {
    for (int a = 0; a <= 4; a++) {
      digitalWrite(zeile[a], 1);
      for (int i = 0; i < 5; i++) {
        digitalWrite(spalte[i], bitRead(smile[a], i));
        digitalWrite(spalte[i], 0);
      }
      digitalWrite(zeile[a], 0);
    }
  }