//design a counter (0-9) uaing 7 segment and switch 
//when switch is on count value increment to next
//when switch is off stay on same value
 
 //do not use pins 34 35 36 39 
 //pins connection a32 b33 c25 d26 e27 f12 g14 dp13 

 int pins[] = {32, 33, 25, 26, 27, 12, 14};
int data[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
};
const int switchPin = 18; 
int INITIAL = 0;
int START;
int END = HIGH; 
void setup() {
  for (int x = 0; x < 7; x++) {
    pinMode(pins[x], OUTPUT);
  }
  pinMode(switchPin, INPUT_PULLUP);
}

void loop() {

  START = digitalRead(switchPin);

  if (START == LOW && END == HIGH)
   {
    
    INITIAL = (INITIAL + 1) % 10;
  }
  for (int x = 0; x < 7; x++) 
  {
    digitalWrite(pins[x], data[INITIAL][x]);
  }

  END = START;
delay(100);
}