void setup()
{
pinMode(2,OUTPUT);
pinMode(3,OUTPUT);
pinMode(4,OUTPUT);
pinMode(5,OUTPUT);
pinMode(6,OUTPUT);
pinMode(7,OUTPUT);
pinMode(8,OUTPUT);

}
void loop() {

//SIX : 6 
digitalWrite(2,HIGH); // A
digitalWrite(3,LOW); // B
digitalWrite(4,HIGH); // C
digitalWrite(5,HIGH);    //D
digitalWrite(6,HIGH);    //E
digitalWrite(7,HIGH);   // F
digitalWrite(8,HIGH);   //G

delay(500);
//EIGHT : 8 
digitalWrite(2,HIGH); // A
digitalWrite(3,HIGH); // B
digitalWrite(4,HIGH); // C
digitalWrite(5,HIGH);    //D
digitalWrite(6,HIGH);    //E
digitalWrite(7,HIGH);   // F
digitalWrite(8,HIGH);   //G

delay(500);
//ONE : 1
digitalWrite(2,LOW); // A
digitalWrite(3,HIGH); // B
digitalWrite(4,HIGH); // C
digitalWrite(5,LOW);    //D
digitalWrite(6,LOW);    //E
digitalWrite(7,LOW);   // F
digitalWrite(8,LOW);   //G

delay(500);


}