This project is specifically designed for WCH Mini Disk.
The WCH Mini Disk, also known as CH331, is a low-cost, low-capacity USB flash drive.
CH331 uses EEPROM as the storage chip, which, according to the datasheet, typically provides 200 years at 55°C of static storage time.
Command-line utility designed for Linux ONLY
$ ./archiver.py
zip archive: 39941 bytes
squashfs image: 36864 bytes
/dev/disk/by-id/usb-wch.cn_USB-Mini-Disk_CD1234567890-0:0
disk size: 261632 bytes
disk usage: 98.63%
image copies: 7
writing image to disk...
write time: 32.68 seconds
write speed: 7.71 KiB/s