//Common Anode 7 Segment LED
//In Common Anode - High=0 & Low=1 
//In Common Anode - Both Com Pins connected to VCC
// Or Com Up-VCC & Com Down-GND
void setup() {
  for(int i=2;i<=8;i++){
    pinMode(i, OUTPUT);
  }

/*pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
pinMode(6,OUTPUT);
pinMode(7, OUTPUT);
pinMode(8, OUTPUT);
pinMode(9, OUTPUT);*/

}

void loop() {
  // put your main code here, to run repeatedly:
//write 0
digitalWrite(2,0);
digitalWrite(3,0);
digitalWrite(4,0);
digitalWrite(5,0);
digitalWrite(6,0);
digitalWrite(7,0);
digitalWrite(8,1);
delay(1000);

//write 1
digitalWrite(2,1);
digitalWrite(3,0);
digitalWrite(4,0);
digitalWrite(5,1);
digitalWrite(6,1);
digitalWrite(7,1);
digitalWrite(8,1);
delay(1000);

//write 2
digitalWrite(2,0);
digitalWrite(3,0);
digitalWrite(4,1);
digitalWrite(5,0);
digitalWrite(6,0);
digitalWrite(7,1);
digitalWrite(8,0);
delay(1000);

//write 3
digitalWrite(2,0);
digitalWrite(3,0);
digitalWrite(4,0);
digitalWrite(5,0);
digitalWrite(6,1);
digitalWrite(7,1);
digitalWrite(8,0);
delay(1000);

//write 4
digitalWrite(2,1);
digitalWrite(3,0);
digitalWrite(4,0);
digitalWrite(5,1);
digitalWrite(6,1);
digitalWrite(7,0);
digitalWrite(8,0);
delay(1000);

//write 5
digitalWrite(2,0);
digitalWrite(3,1);
digitalWrite(4,0);
digitalWrite(5,0);
digitalWrite(6,1);
digitalWrite(7,0);
digitalWrite(8,0);
delay(1000);

//write 6
digitalWrite(2,0);
digitalWrite(3,1);
digitalWrite(4,0);
digitalWrite(5,0);
digitalWrite(6,0);
digitalWrite(7,0);
digitalWrite(8,0);
delay(1000);

//write 7
digitalWrite(2,0);
digitalWrite(3,0);
digitalWrite(4,0);
digitalWrite(5,1);
digitalWrite(6,1);
digitalWrite(7,1);
digitalWrite(8,1);
delay(1000);

//write 8
digitalWrite(2,0);
digitalWrite(3,0);
digitalWrite(4,0);
digitalWrite(5,0);
digitalWrite(6,0);
digitalWrite(7,0);
digitalWrite(8,0);
delay(1000);

//write 9
digitalWrite(2,0);
digitalWrite(3,0);
digitalWrite(4,0);
digitalWrite(5,0);
digitalWrite(6,1);
digitalWrite(7,0);
digitalWrite(8,0);
delay(1000);
}