void PfeilUnten()
{
  byte Zeichen[8] =
  {
    B00010000,
    B00110000,
    B01111111,
    B11111111,
    B01111111,
    B00110000,
    B00010000,
    B00000000
  };

  for (int zaehler = 0; zaehler < 8; zaehler ++)
  {
    LEDMatrix.setRow(0, zaehler, Zeichen[zaehler]);
  }
}

void ZahlEins()
{
  byte Zeichen[8] =
  {
    B00000000,
    B00000000,
    B00000100,
    B10000010,
    B11111111,
    B10000000,
    B00000000,
    B00000000
  };

  for (int zaehler = 0; zaehler < 8; zaehler ++)
  {
    LEDMatrix.setRow(0, zaehler, Zeichen[zaehler]);
  }
}


void ZahlZwei()
{
  byte Zeichen[8] =
  {
    B00000000,
    B10000010,
    B11000001,
    B10100001,
    B10010001,
    B10001110,
    B00000000,
    B00000000
  };

  for (int zaehler = 0; zaehler < 8; zaehler ++)
  {
    LEDMatrix.setRow(0, zaehler, Zeichen[zaehler]);
  }
}

void ZahlDrei()
{
  byte Zeichen[8] =
  {
    B00000000,
    B01000010,
    B10000001,
    B10001001,
    B10001001,
    B01110110,
    B00000000,
    B00000000
  };

  for (int zaehler = 0; zaehler < 8; zaehler ++)
  {
    LEDMatrix.setRow(0, zaehler, Zeichen[zaehler]);
  }
}

void ZahlVier()
{
  byte Zeichen[8] =
  {
    B00000000,
    B00110000,
    B00101000,
    B00100100,
    B11110010,
    B00100001,
    B00000000,
    B00000000
  };

  for (int zaehler = 0; zaehler < 8; zaehler ++)
  {
    LEDMatrix.setRow(0, zaehler, Zeichen[zaehler]);
  }
}

void ZahlFuenf()
{
  byte Zeichen[8] =
  {
    B00000000,
    B01001111,
    B10001001,
    B10001001,
    B10001001,
    B01110001,
    B00000000,
    B00000000
  };

  for (int zaehler = 0; zaehler < 8; zaehler ++)
  {
    LEDMatrix.setRow(0, zaehler, Zeichen[zaehler]);
  }
}

void ZahlSechs()
{
  byte Zeichen[8] =
  {
    B00000000,
    B01111110,
    B10001001,
    B10001001,
    B10001001,
    B01110010,
    B00000000,
    B00000000
  };

  for (int zaehler = 0; zaehler < 8; zaehler ++)
  {
    LEDMatrix.setRow(0, zaehler, Zeichen[zaehler]);
  }
}

void ZahlSieben()
{
  byte Zeichen[8] =
  {
    B00000000,
    B11100001,
    B00010001,
    B00001001,
    B00000101,
    B00000011,
    B00000000,
    B00000000
  };

  for (int zaehler = 0; zaehler < 8; zaehler ++)
  {
    LEDMatrix.setRow(0, zaehler, Zeichen[zaehler]);
  }
}

void ZahlAcht()
{
  byte Zeichen[8] =
  {
    B00000000,
    B01110110,
    B10001001,
    B10001001,
    B10001001,
    B01110110,
    B00000000,
    B00000000
  };

  for (int zaehler = 0; zaehler < 8; zaehler ++)
  {
    LEDMatrix.setRow(0, zaehler, Zeichen[zaehler]);
  }
}

void ZahlNeun()
{
  byte Zeichen[8] =
  {
    B00000000,
    B01001110,
    B10010001,
    B10010001,
    B10010001,
    B01111110,
    B00000000,
    B00000000
  };

  for (int zaehler = 0; zaehler < 8; zaehler ++)
  {
    LEDMatrix.setRow(0, zaehler, Zeichen[zaehler]);
  }
}

void ZahlNull()
{
  byte Zeichen[8] =
  {
    B00000000,
    B01111110,
    B10000001,
    B10000001,
    B10000001,
    B01111110,
    B00000000,
    B00000000
  };

  for (int zaehler = 0; zaehler < 8; zaehler ++)
  {
    LEDMatrix.setRow(0, zaehler, Zeichen[zaehler]);
  }
}

void Kreuz()
{
  const PROGMEM byte Zeichen[8] =
  {
    B10000001,
    B01000010,
    B00100100,
    B00011000,
    B00011000,
    B00100100,
    B01000010,
    B10000001
  };

  for (int zaehler = 0; zaehler < 8; zaehler ++)
  {
    LEDMatrix.setRow(0, zaehler, Zeichen[zaehler]);
  }
}