// int i = 45;
// int j = 30;
// int k = 15;
// int l = 15;
// int count = 0;

// ............................................................. //
int pin1_1 = 1;
int pin1_2 = 2;
int pin1_3 = 3;
int pin1_4 = 4;
int pin1_5 = 5;
int pin1_6 = 6;
int pin1_7 = 7;
int D1_1 = 9;
int D1_2 = 10;
unsigned long previousMillis = 0;
const long interval = 1000; 
int count = 0;
// // ............................................................. //
// int pin2_1 = 14;
// int pin2_2 = 15;
// int pin2_3 = 16;
// int pin2_4 = 17;
// int pin2_5 = 18;
// int pin2_6 = 19;
// int pin2_7 = 20;
// int D2_1 = 0;
// int D2_2 = 21;
// // ............................................................. //
// int pin3_1 = 22;
// int pin3_2 = 23;
// int pin3_3 = 24;
// int pin3_4 = 25;
// int pin3_5 = 26;
// int pin3_6 = 27;
// int pin3_7 = 28;
// int D3_1 = 29;
// int D3_2 = 30;
// // ............................................................. //
// int pin4_1 = 31;
// int pin4_2 = 32;
// int pin4_3 = 33;
// int pin4_4 = 34;
// int pin4_5 = 35;
// int pin4_6 = 36;
// int pin4_7 = 37;
// int D4_1 = 38;
// int D4_2 = 39;
// // ............................................................. //

// int r1 = 40;
// int y1 = 41;
// int g1 = 42;

// int r2 = 43;
// int y2 = 44;
// int g2 = 45;

// int r3 = 46;
// int y3 = 47;
// int g3 = 48;

// int r4 = 49;
// int y4 = 50;
// int g4 = 51;

int a1 = 9;     // index array in first segment digit 1
int a2 = 1;     // index array in first segment digit 2
// int b1 = 0;     // index array in second segment digit 1
// int b2 = 0;     // index array in second segment digit 1
// int i = 0;
// int j = 0;

int DELAY =1;  // Delay light segment
int TIME = 0;   // time loading

// Matrix Number of 7 segment
int Arduino_Pins[7] = {pin1_1, pin1_2, pin1_3, pin1_4, pin1_5, pin1_6, pin1_7};   // an array of pin numbers to which LEDs
int Segment_Pins[10][7] = {{0,0,0,0,0,0,1}, // 0
                           {1,0,0,1,1,1,1}, // 1
                           {0,0,1,0,0,1,0}, // 2
                           {0,0,0,0,1,1,0}, // 3
                           {1,0,0,1,1,0,0}, // 4
                           {0,1,0,0,1,0,0}, // 5
                           {0,1,0,0,0,0,0}, // 6
                           {0,0,0,1,1,1,1}, // 7
                           {0,0,0,0,0,0,0}, // 8
                           {0,0,0,0,1,0,0}, // 9
                           };


void setup() 
{
// ............................................................. //
pinMode(pin1_1, OUTPUT);
pinMode(pin1_2, OUTPUT);
pinMode(pin1_3, OUTPUT);
pinMode(pin1_4, OUTPUT);
pinMode(pin1_5, OUTPUT);
pinMode(pin1_6, OUTPUT);
pinMode(pin1_7, OUTPUT);
pinMode(D1_1, OUTPUT);
pinMode(D1_2, OUTPUT);
// ............................................................. //
}

//================================================================================================================= void s1d2
void s1d1()
{
    for(int j=0;j<7;j++)  
    {      
      digitalWrite(Arduino_Pins[j],Segment_Pins[a1][j]);
      
    } // End J Loop

    digitalWrite(D1_1 ,1);
    digitalWrite(D1_2, 0);
    delay(DELAY);
}
//================================================================================================================= void s2d1
void s1d2()
{
    for(int j=0;j<7;j++)  
    {      
      digitalWrite(Arduino_Pins[j],Segment_Pins[1][j]);
    } // End J Loop

    digitalWrite(D1_1, 0);
    digitalWrite(D1_2, 1);
    delay(DELAY);
}
//================================================================================================================= void s2d2

void loop()
{
  unsigned long currentMillis = millis();

  // Check if the specified interval has passed
  if (currentMillis - previousMillis >= interval)
  {
    // Save the current time
    previousMillis = currentMillis;
  }

  for (int n = 0; n < 500; n++)
  {
    // Display the first digit
    for (int j = 0; j < 7; j++)
    {
      digitalWrite(Arduino_Pins[j], Segment_Pins[a1][j]);
    }
    digitalWrite(D1_1, 0);
    digitalWrite(D1_2, 1);
    delay(300);

    // Display the second digit
    for (int j = 0; j < 7; j++)
    {
      digitalWrite(Arduino_Pins[j], Segment_Pins[a2][j]);
    }
    digitalWrite(D1_1, 1);
    digitalWrite(D1_2, 0);
    delay(1000);

    // Update the indices for the next iteration
    a1--;

    if (a1 < 0)
    {
      a1 = 10;
      a2--;
    }
    if (a2 < 0)
    {
      a2 = 1;
    }

    // if (count == 0)
    // {
    // if (a2 == 0)
    // {
    //   a2 = 0;
    //   count = 1;
    // }
    // }

    // if (count == 1)
    // {
    // if (a2 == 0)
    // {
    //   a2 = 1;
    // }
    // count = 0;
    // }
  }
}