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Thank you for your suggestions!!!
When you say, I need to write 512 bytes packets, do you mean sd unit size?
15496
in my case it's 32 Kbytes

I'm using SD.h to write file, is there a proper way...

Thank you for your suggestions!
Frank,
This was my first initial approach and it works in 99% of time, but I still have lost/corrupted packets from time to time(really depends on a performance of...

Thank you very much for your answer!

My assumption was that serialEvent1() was based on interrupts.

I'm trying to do a serial logger, which stores packets to SD card.
Unfortunately, sometimes...

Hi All,

It's probably too late to ask a question here...


char buffer[1000];


void setup() {
pinMode(LED_BUILTIN, OUTPUT);