#define DP 30
#define pinA 2 
#define pinB 3 
#define pinC 4 
#define pinD 5 
#define pinE 7 
#define pinF 12 
#define pinG 8 
#define pinDP 13 
#define D1 6 

const int charsInArray = 37;
byte digits[]{D1};
byte  seg[] {pinA,pinB,pinC,pinD,pinE,pinF,pinG,pinDP};
byte Char[37][9] { 
            
            {1,1,1,1,1,1,0,0,'0'},//0
            {0,1,1,0,0,0,0,0,'1'},//1
            {1,1,0,1,1,0,1,0,'2'},//2
            {1,1,1,1,0,0,1,0,'3'},//3
            {0,1,1,0,0,1,1,0,'4'},//4
            {1,0,1,1,0,1,1,0,'5'},//5
            {1,0,1,1,1,1,1,0,'6'},//6
            {1,1,1,0,0,0,0,0,'7'},//7
            {1,1,1,1,1,1,1,0,'8'},//8
            {1,1,1,1,0,1,1,0,'9'}, //9
            {1,1,1,0,1,1,1,0,'a'},//A/1
            {0,0,1,1,1,1,1,0,'b'},//b/2
            {0,0,0,1,1,0,1,0,'c'},//C/3
            {0,1,1,1,1,0,1,0,'d'},//d/4
            {1,0,0,1,1,1,1,0,'e'},//E/5
            {1,0,0,0,1,1,1,0,'f'},//F/6
            {1,0,1,1,1,1,0,0,'g'},//G/7
            {0,1,1,0,1,1,1,0,'h'},//H/8
            {0,1,1,0,0,0,0,0,'i'},//I/9
            {0,1,1,1,1,0,0,0,'j'},//J/10
            {0,0,0,1,1,1,0,0,'l'},//L/11
            {0,0,1,0,1,0,1,0,'n'},//n/12
            {0,0,1,1,1,0,1,0,'o'},//o/13
            {1,1,0,0,1,1,1,0,'p'},//P/14
            {1,1,1,0,0,1,1,0,'q'},//q/15
            {0,0,0,0,1,0,1,0,'r'},//r/16
            {1,0,1,1,0,1,1,0,'s'},//S/17   looks like number 5
            {0,0,0,1,1,1,1,0,'t'},//t/18
            {0,1,1,1,1,1,0,0,'u'},//U/19
            {0,1,1,1,0,1,1,0,'y'},//y/20
            {0,0,0,0,0,0,0,1,'.'},//.
            {0,0,0,0,0,0,1,0,'-'},//dash/negative
            {0,0,0,1,0,0,0,0,'_'},//underscore
            {1,0,0,1,1,1,0,0,'['},//[
            {1,1,1,1,0,0,0,0,']'},//]
            {1,1,0,0,1,0,1,0,'?'},//?
            {0,0,0,0,0,0,0,0,' '}//blank
            
            };

#define common_cathode 0 
#define common_anode 1 
bool mode = common_cathode;// my display is common anode 

void Reset()
{ digitalWrite(D1, !mode);
  for(byte i = 0 ;  i < 8 ; i++){
  digitalWrite(seg[i],mode);
  }
}

void printDigit(char  Chara,int digitPort)
{ Reset(); 
  int character = -1;
  digitalWrite(digitPort,mode);
  for(int i = 0 ; i < charsInArray ; i++){
    
    if(Chara == Char[i][8]){
      character = i;
    }
  }
  if (character == -1){
    digitalWrite(pinG,!mode);
  }else{
for(int i = 0;i<= 7;i++){
  if(mode == common_anode) 
    digitalWrite(seg[i],!Char[character][i]);     
  else if(mode == common_cathode) 
    digitalWrite(seg[i],Char[character][i]);  
    }
  }
}

void printDisplay(String Phrase,int  Delay)
{
char char1 = Phrase.charAt(0);
char  char1Num = 0;
int  stringLength = Phrase.length();
  Reset();
  printDigit(char1,D1);
}

void setup() {                 
	// initialize the digital pins as outputs. 
	pinMode(pinA, OUTPUT);      
	pinMode(pinB, OUTPUT);      
	pinMode(pinC, OUTPUT);      
	pinMode(pinD, OUTPUT);      
	pinMode(pinE, OUTPUT);      
	pinMode(pinF, OUTPUT);      
	pinMode(pinG, OUTPUT);  
	pinMode(pinDP, OUTPUT);   
	pinMode(D1, OUTPUT);   
	Serial.begin(9600); 
} 
// the loop routine runs over and over again forever: 
void loop() { 
  printDigit('0',D1);
  delay(1000);
  printDigit('1',D1);
  delay(1000);
  printDigit('2',D1);
  delay(1000);
  printDigit('3',D1);
  delay(1000);
  printDigit('4',D1);
  delay(1000);
  printDigit('5',D1);
  delay(1000);
  printDigit('6',D1);
  delay(1000);
  printDigit('7',D1);
  delay(1000);
  printDigit('8',D1);
  delay(1000);
  printDigit('9',D1);
  delay(1000);
}