You might have used the wrong pin. A bit confusing with a Mega.
22 and 23 are not the first two pins starting from that corner, but the next pair.
The first pair is not numbered. It's VCC (5volt).
Leo..
You might have used the wrong pin. A bit confusing with a Mega.
22 and 23 are not the first two pins starting from that corner, but the next pair.
The first pair is not numbered. It's VCC (5volt).
Leo..