int arr[10][8] = {
  {1, 1, 1, 1, 1, 1, 0},
  {0, 1, 1, 0, 0, 0, 0},
  {1, 1, 0, 1, 1, 0, 1},
  {1, 1, 1, 1, 0, 0, 1},
  {0, 1, 1, 0, 0, 1, 1},
  {1, 0, 1, 1, 0, 1, 1},
  {1, 0, 1, 1, 1, 1, 1},
  {1, 1, 1, 0, 0, 0, 0},
  {1, 1, 1, 1, 1, 1, 1},
  {1, 1, 1, 1, 0, 1, 1}
};

#define BUTTON_PIN 10

void setup() {
  Serial.begin(9600);

  int i;

  for (i = 2 ; i <= 8 ; i++) {
    pinMode(i, OUTPUT);
  }

 pinMode(BUTTON_PIN, INPUT_PULLUP);
}

void res() {
  int i;
  for (i = 2 ; i <= 8 ; i++) {
    digitalWrite(i, LOW);
  }
}

void numP(int n) {
  int i;
  for (i = 2 ; i <= 8 ; i++) {
    if (arr[n][i - 2] == 1) {
      digitalWrite(i, HIGH);
    } else {
      digitalWrite(i, LOW);
    }
  }
}

int lastState = HIGH;

int i = 0, tap = 0;

void loop() {
  int value = digitalRead((BUTTON_PIN));
  if (lastState != value) {
    lastState = value;
    if (value == HIGH) {
      Serial.println(" released");
    }
    if (value == LOW) {
      Serial.println(" pressed");
      res();
      numP(i);
      i++;

      if(i==10) {
        i = 0;
      }
    }
  }

  
}