I think I got in a bit over my head but I am sure this is not uncharted territory. I have a Teensy++ dev board, an SD card shield, and a Monochrome 128x32 OLED display from adafruit, and a 5 way tach switch. I have all of the parts wired correctly and the SD card and Display work separately with t…

Sketch for displaying SD card file structure on OLED screen.

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