7-segment Array.ino

int SEG_A = 4; //define which pins connect to which segments   
int SEG_B = 5;
int SEG_C = 8;
int SEG_D = 7;
int SEG_E = 6;
int SEG_F = 3;
int SEG_G = 2;
int SEG_DOT = 9;

int pins[] = {SEG_A, SEG_B, SEG_C, SEG_D, SEG_E, SEG_F, SEG_G, SEG_DOT};
int numPins = 8;

int pause = 500;

void setup() {
  // put your setup code here, to run once:
  for (int i = 0; i < numPins; i++){
    pinMode(pins[i], OUTPUT);
    digitalWrite(pins[i], HIGH);
  }
}

void loop() {
  // put your main code here, to run repeatedly:
  for (int i = 0; i < numPins; i++){
    digitalWrite(pins[i], LOW);
    delay(pause);
    digitalWrite(pins[i], HIGH);
  }
}