Yes, you can.
SD cards work on 3.3V and the Photon does so too.
But I’d still use a microSD card holder board, just for the ease of use.
Like this
You won’t need the fancy ones with level shifters.
Yes, you can.
SD cards work on 3.3V and the Photon does so too.
But I’d still use a microSD card holder board, just for the ease of use.
Like this
You won’t need the fancy ones with level shifters.