Introduction - If you have any usage issues, please Google them yourself
A u disk read and write module source and schematic diagram.
MCU can through this module to create a file of the file on the usb flash drive, delete files, modify the file, read and write file attributes, create a folder, delete folders, enumeration file list, etc.
Attach a schematic diagram of protel format and share it with you.
Keil C51 environment is open.