esp32-A1S sdcard and max7219

dakota
Posts: 1
Joined: Mon Aug 16, 2021 12:39 pm

esp32-A1S sdcard and max7219

Postby dakota » Mon Aug 16, 2021 12:55 pm

Hi,
I have a board esp32-a1s audio kit, and I want to connect a max7219 (SPI display matrix 8x8 )

which gpio I must be used?
it same of the sdcard?
can I used another GPIO?
thanks,
dak.

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