#define SEG_A 19
#define SEG_B 18
#define SEG_C 16
#define SEG_D 17
#define SEG_E 5
#define SEG_F 22
#define SEG_G 4


 const int digitA = 19;
 const int digitB = 18;
 const int digitC = 16;
 const int digitD = 17;
 const int digitE = 5;
 const int digitF = 22;
 const int digitG = 4;
 

int digits[10][7] = {{1,1,1,1,1,1,0}, //0
                   {0,1,1,0,0,0,0}, //1
                   {1,1,0,1,1,0,1}, //2
                   {1,1,1,1,0,0,1}, //3
                   {0,1,1,0,0,1,1}, //4
                   {1,0,1,1,0,1,1}, //5
                   {1,0,1,1,1,1,1},// 6
                   {1,1,1,0,0,0,0}, //7
                   {1,1,1,1,1,1,1}, //8
                   {1,1,1,1,0,1,1}, //9
                   };
void setup() 
{
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("serial prints..");
  pinMode(SEG_A, OUTPUT);
  pinMode(SEG_B, OUTPUT);
  pinMode(SEG_C, OUTPUT);
  pinMode(SEG_D, OUTPUT);
  pinMode(SEG_E, OUTPUT);
  pinMode(SEG_F, OUTPUT);
  pinMode(SEG_G, OUTPUT);

digitalWrite(SEG_A, LOW);
digitalWrite(SEG_B, LOW);
digitalWrite(SEG_C, LOW);
digitalWrite(SEG_D, LOW);
digitalWrite(SEG_E, LOW);
digitalWrite(SEG_F, LOW);
digitalWrite(SEG_G, LOW);
}

void displayDigit (int num) {
  // put your main code here, to run repeatedly:
  digitalWrite(SEG_A, digits[num][0]);
  digitalWrite(SEG_B, digits[num][1]);
  digitalWrite(SEG_C, digits[num][2]);
  digitalWrite(SEG_D, digits[num][3]);
  digitalWrite(SEG_E, digits[num][4]);
  digitalWrite(SEG_F, digits[num][5]);
  digitalWrite(SEG_G, digits[num][6]);
 
  
}
void loop()
{
 for (int i=0; i <=9; i++)
 {
 displayDigit(i);
 delay(1000);
 }
}