Just trying to determine if this will be fast enough for what i want to do. Up til now, I've been just writing to memory and serial-transferring to a laptop. Obviously that means I can only log a small amount of data, then it has to stop while transferring the data to the laptop. I end up with small, discrete chunks of data.
In order to get a large, continuous chunk of data, I've been considereing storage onto an SD card, but in all of my searches, I can't find any info on how long it would take to log 2 bytes of data. (Or even one byte.)
I assume SPI is faster than transferring at 9600 baud to the laptop.
Has anybody measured it?