//Example Code
int delayTime1 = 3333;
int delayTime2 = 333; //It's better coding style to not have any hard-coded constants like in the previous example
//byte portD_HIGH = B11111000;
//byte portD_LOW =  B00000000;

byte portD_HIGH = B10101010;
byte portD_LOW =  B01010101;

byte portB_HIGH = B101010;
byte portB_LOW =  B010101;

void setup()
{
     DDRD = DDRD | B11111111;  //Sets up the pins for output
    DDRB = DDRB | B111111;  //Sets up the pins for output

    //a look at what we just did
   //the | symbol is used as bitwise OR (if either bit is 1, result will be 1)
   //this goes through the register, ORing each bit with the binary to the right of the |
   //the B makes the compiler read the 11111100 as binary
   //So in summary it sets pins 2-7 to Output and leaves 1 and 2 (which sometimes
   //have special functions) alone
}

void loop()
{
    PORTD = portD_HIGH;  //sets pin ledPin High (so pin 13 is set to 1)
    delay(delayTime1);                             //waits 333ms or ~1/3 sec
    PORTD = portD_LOW;  //sets pin ledPin to Low (so pin 13 is now equal to 0)
    delay(delayTime2);                             //waits another 333 ms

     PORTB = portB_HIGH;  //sets pin ledPin High (so pin 13 is set to 1)
    delay(delayTime1);                             //waits 333ms or ~1/3 sec
    PORTB = portB_LOW;  //sets pin ledPin to Low (so pin 13 is now equal to 0)
    delay(delayTime2);                             //waits another 333 ms


}   //end of the loop subroutine, so it will now go back to the beginning



//All 5 LEDs should now be blinking merrily away.