Do they have a special meaning, or can I just use them like pin 3 or 7 or ...
Yes, and yes, if you don't need the special meaning.
Of course, uploading sketches makes use of the special meaning of pins 0 and 1...
Do they have a special meaning, or can I just use them like pin 3 or 7 or ...
Yes, and yes, if you don't need the special meaning.
Of course, uploading sketches makes use of the special meaning of pins 0 and 1...