esp32-A1S sdcard and max7219
Posted: 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.
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.