Common Anode Seven-Segment Display Test

// 7 Segment test

void setup()
{
  // define pin modes
 
 pinMode(6,OUTPUT);
 pinMode(7,OUTPUT);
 pinMode(8,OUTPUT);
 pinMode(9,OUTPUT);
 pinMode(10,OUTPUT);
 pinMode(11,OUTPUT);
 pinMode(12,OUTPUT);

}

void loop()
{
 
  for(int i=6;i<13;i++) //Clear LEDs since the outputs start LOW (LED ON)
  {
    digitalWrite(i,HIGH);
    delay(1);
  }
  // loop to turn leds segments ON by sinking them (taking pins to GND)
 
  for(int i=6;i<13;i++)
  {
    digitalWrite(i,LOW);
    delay(600);
  }
 
  // loop to turn leds segnemts OFF by taking the pins to V+
  for(int i=6;i<13;i++)
  {
    digitalWrite(i,HIGH);
    delay(600);
  }
 
 
  delay(1000);

}