[chrishem]

Are the pins which provide SPI available?
I believe (but could be incorrect) that those are MOSI (PB3 / pin 17), MISO (PB4 / pin 18), SCK (PB5 / pin 19) and _SS_ (any GPIO I think?).
Alternately, what about the TX and RX pins?

Essentially, I’m trying to come up with a good way to get data into and out of the Nootropic backpack.

Thanks!

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