MicroPython Forum (Archive)

I'm glad it was useful to you! The code can and the results can be found here: https://github.com/jornamon/micropython_logfile_write_speed_tests . It's not very tidy but better than nothing. In the above testing, the SD card was connected always via SPI, but recently I found a Teensy 4.1 laying arou...

Thank you so much for your reply jimmo! It was really useful and I learnt a lot. I hope many people looking for low-lag high-frecuency data logging in Micropython comes across it at some point. I'm sorry for my delayed reply, but I couldn't find the time to finish my testing, and I wanted to include...

Sorry to resurrect such an old post, but it's 2022 and I am still experiencing similar problemas with high rate data logging to file, and this was one of the most useful threads I found. I was wondering if the OP or someone else found a solution for this kind of problem, which I believe may not be s...