i changed 'L' and 'H' with "L" and "H". I uploaded the code without errors and i send "H" but the led an pin 13 didn't blink !! see here at the photo http://postimg.org/image/v121wnhwr/
what's wrong ?
i changed 'L' and 'H' with "L" and "H". I uploaded the code without errors and i send "H" but the led an pin 13 didn't blink !! see here at the photo http://postimg.org/image/v121wnhwr/
what's wrong ?