Unfortunately that isn't Arduino IDE compatible code, which is what I was looking for. All I would like to do is read/write sensor data to a log file. Adding a SD means buying and mounting the breakout board, tying up more GPIO, and having to find a SD card reader if I ever want to check/change the ...

Hi All, I am kind of perplexed why I can't find example code for reading/writing data (.csv) to a usb flash drive. There are plenty examples on how to do this with a SD card, but nothing for a simple usb flash drive. I have also found examples on how to make the ESP32 appear as a mass storage device...