Saving data to an SD card.
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Hello!
I have been doing some research about this topic, and I only find ESP32 libraries. Obviously they should work in M5Stack as well, but as M5Stack has SD slot included, I am wondering if there is a custom library for this particular device that allows me to save the data with a timestamp (with milisecond precision) in the SD and retrieve it afterwards to send that data via wifi.
Thanks in advance!