I'm still educating myself on how to transfer files using an ESP32. It seems like FTP might be appropriate. Do any of the ESP32 devices or dev kits have a FTP server built in? If there's a FTP example somewhere, I haven't found it and if someone could point me at one, that would be great.

Thanks

We’ve developed an autonomous profiling float for oceanographic research. I’d like to make it easier for users to upload and download files between the uSD card connected to the float controller (an Atmel SAM9 with no OS) and our company network. A typical session would be 50-100 files (typically 5k...