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    SD Datalogging - Best Practice in 2019

    Thank you, these changes made a big difference. I have some questions in relation to Linarism's comment further up. I don't understand what it means to "Pre-erase the entire file with zeros" and what is the difference between write() and print(). Also is there an advantage to making the file...
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    SD Datalogging - Best Practice in 2019

    Hello, I tried most of these steps. My program preallocate space on the file fine but later on in the program when I try and append to the file it starts writing after the preallocated space (at the very bottom of the file). What can I do to stop this from happening? Ive tryed to write in blocks...
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