Apple II Floppy Drive Replacement – STM32F411 – SD Card – WOZ/DSKThis STM32F411-based project provides a convenient modern alternative to a traditional Apple II floppy drive. It uses an SD card to store and access Apple II disk images, including DSK and WOZ formats.Features* Designed for Apple II computers
* STM32F411 microcontroller
* SD card storage
* Supports DSK and WOZ disk images
* Great for vintage computer restoration, testing, and software collections
* Avoids relying on aging 5.25” floppy disks
* Includes a 3D-printed enclosureCompatibilityApple II model Emulation
II+ Disk II
II Europlus Disk II
IIe Disk II
IIc (ROM 4) Disk II + SmartPort
IIGS Disk IISupported disk formatsFormat Read Write
WOZ 2.0 ✅ ✅
DSK ✅ ✅
PO ✅ ✅
2MG ✅ ✅
WOZ 1.0 ✅ —
NIC ✅ —
Browse and boot — right from the Apple IIWith SmartLoader, you don't even need the SmartDisk II's own buttons for everyday loading. It puts a fast green-screen browser on the Apple II itself: SmartLoader reads the disk images on your SD card and lists them right on screen, so you can scroll through your whole collection and boot any title straight from the Apple II — highlight a disk, press [B] to boot, [R] to refresh the listing, or [S] for settings.Features at a glanceThree drives in one — DISK II 5.25″, SmartPort HD, and UNIDISK 3.5 emulation
On-board navigation — browse, mount and unmount images from the 0.96″ OLED with four buttons
Big images, no sweat — 32 MB images and full Total Replay collections run smoothly
Modern software too — loads GS/OS on the IIGS; runs titles like Arkanoid from 2MG
SmartLoader built in — browse and boot from the Apple II screen itself
Actively developed — frequent firmware releases with the latest improvementsEasy sd card format tool built in. Format right in the unit. Included: Hardware and enclosure shown in the listing.SD card, software, and other accessories are not included unless specifically stated.Please note: Enclosure color may vary depending on availability.
