//update from SAnwandter

#define ROW_1 4
#define ROW_2 5
#define ROW_3 6
#define ROW_4 7
#define ROW_5 8

#define COL_1 13
#define COL_2 12
#define COL_3 11
#define COL_4 10
#define COL_5 9


const byte rows[] = {
  ROW_1, ROW_2, ROW_3, ROW_4, ROW_5};
const byte col[] = {
  COL_1, COL_2, COL_3, COL_4, COL_5};

// The display buffer
// It's prefilled with a smiling face (1 = ON, 0 = OFF)

byte EX [] = {B00000, B00000, B00000, B00000, B00000};
byte ALL [] = {B11111, B11111, B11111, B11111, B11111};

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};

float timeCount = 0;

void setup()
{
  // Open serial port
  Serial.begin(9600);

  // Set all used pins to OUTPUT
  // This is very important! If the pins are set to input
  // the display will be very dim.
  for (byte i = 4; i <= 13; i++)
    pinMode(i, OUTPUT);

}

void loop() {
   drawScreen(I);
}
void  drawScreen(byte buffer2[])
{
  // Turn on each row in series
  for (byte i = 0; i < 5; i++)        // count next row
  {
    digitalWrite(rows[i], HIGH);    //initiate whole row
    for (byte a = 0; a < 5; a++)    // count next row
    {
      // if You set (~buffer2[i] >> a) then You will have positive
      digitalWrite(col[a], (buffer2[i] >> a) & 0x01); // initiate whole column

      delayMicroseconds(100);       // uncoment deley for diferent speed of display
      //delayMicroseconds(1000);
      //delay(10);
      //delay(100);

      digitalWrite(col[a], HIGH);      // reset whole column
    }
    digitalWrite(rows[i], LOW);     // reset whole row
    // otherwise last row will intersect with next row
  }

}