Arduino Display 7 segmentos

sketch_display_7_segments.ino

/**
 * Display 7 segments
 * Samuel T. C. Santos
 * Date: 23 Out 2016
 */
const int SEG_A = 2;
const int SEG_B = 3;
const int SEG_C = 4;
const int SEG_D = 5;
const int SEG_E = 6;
const int SEG_F = 7;
const int SEG_G = 8;

const int DELAY = 1000;

const int DIGITS = 10;
const int SEGMENTS = 7;

byte  digits[DIGITS][SEGMENTS] = {
  // remember { A, B, C, D, E, F, G }
  { HIGH, HIGH , HIGH, HIGH, HIGH, HIGH, LOW },  // 0  
  { LOW, HIGH , HIGH, LOW, LOW, LOW, LOW},       // 1
  { HIGH, HIGH , LOW, HIGH, HIGH, LOW, HIGH },   // 2
  { HIGH, HIGH , HIGH, HIGH, LOW, LOW, HIGH },   // 3
  { LOW, HIGH , HIGH, LOW, LOW, HIGH, HIGH },    // 4
  { HIGH, LOW, HIGH, HIGH, LOW, HIGH, HIGH},     // 5
  { HIGH, LOW , HIGH, HIGH, HIGH, HIGH, HIGH },  // 6
  { HIGH, HIGH , HIGH, LOW, LOW, LOW, LOW },      // 7  
  { HIGH, HIGH , HIGH, HIGH, HIGH, HIGH, HIGH },  // 8  
  { HIGH, HIGH , HIGH, LOW, LOW, HIGH, HIGH }    // 9  
};

void writeDigit(int digit){
  int pin = 2;
  for (int segment=0; segment < 7; segment++){
    digitalWrite(pin, digits[digit][segment]);
    pin++;
  }
}

void setup() {
  // put your setup code here, to run once:
  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);
}

void turnOff(){
 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 loop() {
  // put your main code here, to run repeatedly:
  for (int digit = 0; digit < DIGITS; digit++){
    writeDigit(digit);
    delay(DELAY);
  }
  turnOff();
}