mackrackit,

I have been trying to figure out for a while how to send FAT16 or FAT32 files to a SD memory card like Byte_Butcher is trying to do. But using SDFS seems to do the job. Thank you for your help. I also didn't have any idea what SDFS is for.

The file SDReadme.txt shows a serial connection between the MCU and the PC computer. Now my question for you, can this serial connection be replaced by a USB connection by using for example a PIC18F4550? Have anybody achieved this SDFS with a USB connection? Thank you all for your help.

Robert