Everything should be the same, I/O-wise, Uno == Nano.
MicroSD's require a surprising amount of current. The capabilities of Nano's 5V (and 3V) are much less than the Uno's.
Everything should be the same, I/O-wise, Uno == Nano.
MicroSD's require a surprising amount of current. The capabilities of Nano's 5V (and 3V) are much less than the Uno's.