Ok, so I've gone to this website and learned to avoid using txt/CSV files for data logging because it is significantly faster . But now I have a new issue. Essentially, what I am trying to do is put two variables in an SD card, but these variable are changing over time so in the "array terminology" I…

How to make SD card read/write faster?

knut_ny May 15, 2018, 12:29pm 2

Force FAT update with 'flush' og 'close' the file.

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