arduino_array.c

int time = 500;
void setup() {

    pinMode(0, OUTPUT);  
    pinMode(1, OUTPUT);
    pinMode(2, OUTPUT);  
    pinMode(3, OUTPUT);    
    pinMode(4, OUTPUT);  
    pinMode(5, OUTPUT);
    pinMode(6, OUTPUT);  
    pinMode(7, OUTPUT); 
}

void loop() {
    digitalWrite(0, HIGH);   
    delay(time);                  
    digitalWrite(0, LOW);
    digitalWrite(1, HIGH);   
    delay(time);                  
    digitalWrite(1, LOW);
    digitalWrite(2, HIGH);   
    delay(time);                  
    digitalWrite(2, LOW);
    digitalWrite(3, HIGH);   
    delay(time);                  
    digitalWrite(3, LOW);
    digitalWrite(4, HIGH);   
    delay(time);                  
    digitalWrite(4, LOW);
    digitalWrite(5, HIGH);   
    delay(time);                  
    digitalWrite(5, LOW);
    digitalWrite(6, HIGH);   
    delay(time);                  
    digitalWrite(6, LOW);
    digitalWrite(7, HIGH);   
    delay(time);                  
    digitalWrite(7, LOW);


    digitalWrite(7, HIGH);   
    delay(time);                  
    digitalWrite(7, LOW);
    digitalWrite(6, HIGH);   
    delay(time);                  
    digitalWrite(6, LOW);
    digitalWrite(5, HIGH);   
    delay(time);                  
    digitalWrite(5, LOW);
    digitalWrite(4, HIGH);   
    delay(time);                  
    digitalWrite(4, LOW);
    digitalWrite(3, HIGH);   
    delay(time);                  
    digitalWrite(3, LOW);
    digitalWrite(2, HIGH);   
    delay(time);                  
    digitalWrite(2, LOW);
    digitalWrite(1, HIGH);   
    delay(time);                  
    digitalWrite(1, LOW);
    digitalWrite(0, HIGH);   
    delay(time);                  
    digitalWrite(0, LOW);
  }