void setup() {
  pinMode(PA2, OUTPUT);   //A
  pinMode(PA3, OUTPUT);   //B
  pinMode(PA4, OUTPUT);   //C
  pinMode(PA5, OUTPUT);   //D
  pinMode(PA6, OUTPUT);   //E
  pinMode(PA7, OUTPUT);   //F
  pinMode(PA8, OUTPUT);   //H
  pinMode(PA11, OUTPUT);  //J
  pinMode(PA12, OUTPUT);  //K
  pinMode(PB5, OUTPUT);   //G1
  pinMode(PA0, OUTPUT);   //G2
  pinMode(PA1, OUTPUT);   //L
  pinMode(PB7, OUTPUT);   //M
  pinMode(PB8, OUTPUT);   //N
}

 void Printaletter (bool a, bool b, bool c, bool d, bool e, bool f, bool h, bool j, bool k, bool g1, bool g2, bool l, bool m, bool n){
digitalWrite(PA2, a);
 digitalWrite(PA3, b);
 digitalWrite(PA4, c);
 digitalWrite(PA5, d);
 digitalWrite(PA6, e);
 digitalWrite(PA7, f);
 digitalWrite(PA8, h);
 digitalWrite(PA11, j);
 digitalWrite(PA12, k);
 digitalWrite(PB5, g1);
 digitalWrite(PA0, g2);
 digitalWrite(PA1, l);
 digitalWrite(PB7, m);
 digitalWrite(PB8, n);
 };

 void Printaletteradvanced(char letter) {
  if (letter == 'A') {
 Printaletter(1,1,1,0,1,1,0,0,0,1,1,0,0,0);
  }
  if (letter == 'B') {
 Printaletter(1,1,1,1,0,0,0,1,0,0,1,0,1,0);
  }
  if (letter == 'C') {
 Printaletter(1,0,0,1,1,1,0,0,0,0,0,0,0,0);
  }
   if (letter == 'D') {
 Printaletter(1,1,1,1,0,0,0,1,0,0,0,0,1,0);
  }
   if (letter == 'E') {
 Printaletter(1,0,0,1,1,1,0,0,0,1,0,0,0,0);
  }
   if (letter == 'F') {
 Printaletter(1,0,0,0,1,1,0,0,0,1,1,0,0,0);
  }
   if (letter == 'G') {
 Printaletter(1,0,1,1,1,1,0,0,0,0,1,0,0,0);
  }
   if (letter == 'H') {
 Printaletter(0,1,1,0,1,1,0,0,0,1,1,0,0,0);
  }
   if (letter == 'I') {
 Printaletter(1,0,0,1,0,0,0,1,0,0,0,0,1,0);
  }
   if (letter == 'J') {
 Printaletter(0,1,1,1,1,0,0,0,0,0,0,0,0,0);
  }
   if (letter == 'K') {
 Printaletter(0,0,0,0,1,1,0,0,1,1,0,0,0,1);
  }
   if (letter == 'L') {
 Printaletter(0,0,0,1,1,1,0,0,0,0,0,0,0,0);
  }
   if (letter == 'M') {
 Printaletter(0,1,1,0,1,1,1,0,1,0,0,0,0,0);
  }
   if (letter == 'N') {
 Printaletter(0,1,1,0,1,1,1,0,0,0,0,0,0,1);
  }
   if (letter == 'O') {
 Printaletter(1,1,1,1,1,1,0,0,0,0,0,0,0,0);
  }
   if (letter == 'P') {
 Printaletter(1,1,0,0,1,1,0,0,0,1,1,0,0,0);
  }
   if (letter == 'Q') {
 Printaletter(1,1,1,1,1,1,0,0,0,0,0,0,0,1);
  }
   if (letter == 'R') {
 Printaletter(1,1,0,0,1,1,0,0,0,1,1,0,0,1);
  }
   if (letter == 'S') {
 Printaletter(1,0,1,1,0,0,1,0,0,0,1,0,0,0);
  }
   if (letter == 'T') {
 Printaletter(1,0,0,0,0,0,0,1,0,0,0,0,1,0);
  }
   if (letter == 'U') {
 Printaletter(0,1,1,1,1,1,0,0,0,0,0,0,0,0);
  }
   if (letter == 'V') {
 Printaletter(0,0,0,0,1,1,0,0,1,0,0,1,0,0);
  }
   if (letter == 'W') {
 Printaletter(0,1,1,0,1,1,0,0,0,0,0,1,0,1);
  }
   if (letter == 'X') {
 Printaletter(0,0,0,0,0,0,1,0,1,0,0,1,0,1);
  }
   if (letter == 'Y') {
 Printaletter(0,1,0,0,0,1,0,0,0,1,1,0,1,0);
  }
   if (letter == 'Z') {
 Printaletter(1,0,0,1,0,0,0,0,1,0,0,1,0,0);
  }

 };

void loop() {

 // Printaletter(1,1,1,1,1,1,1,1,1,1,1,1,1,1); Use this to test if all the segments are connected properly.
 // delay(1000);

int spd = 575; // Speed. Smaller = faster.

Printaletteradvanced('S');
delay(spd);
Printaletteradvanced('I');
delay(spd);
Printaletteradvanced('T');
delay(spd);
Printaletteradvanced('R');
delay(spd);
Printaletteradvanced('I');
delay(spd);
Printaletter(0,0,0,0,0,0,0,0,0,0,0,0,0,0);
delay(4000);


//Printaletter(1,1,1,1,1,1,1,1,1,1,1,1,1,1);  // Use this fuction to test if all the segments are connected properly.

 /* for (char i = 'A'; i <= 'Z'; i++ ){  // Uncomment this to test all the characters.
       Printaletteradvanced(i);
       delay(1000);
 }  */

 }