Noob here Have a UNO that I am trying to get the sparkfun Micro OLED Breakout set up for SPI (if I read things correctly) and a generic Micro SD Card Reader (via SPI?) to both work. :?: Both need Pins 10, 11, and 13 for CS, MOSI, and SCK. Micro OLED also uses 2 additional pins besides 3.3V power …

Micro OLED Breakout & Micro SD on UNO - HOW?

Valen February 22, 2018, 4:52pm 4

Whoops, totally missed that.

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