Tag: microsd

Uses an STM32 and SD media as a mature open Atari ST hard-drive emulator with ACSI, disk-image, and GemDrive modes.

The upstream project describes hardware and software version 5.00 as finished and mature. Its release package contains files for ordering a compact board with assembly, but the builder must flash it initially with a 3.3 V-compatible USB-to-UART adapter and supply 5 V USB-C power, media, and an optional CR2032. Firmware 1.x, 2.x, and 3.0-or-later boards have different compatibility paths; the current compact design should use the matching current firmware. Lotharek's separate four-slot ACSI2STM Redux case design remained not yet available on 2026-07-27 and is not represented as a current assembled seller.

Uses one microSD cartridge and interchangeable adapters to load software and provide selected storage, cartridge, memory, and diagnostic functions on many vintage computers.

The current store listed the assembled BackBit Pro for $129 on 2026-07-27 with one assembled adapter choice included. A microSD card is not included. Additional adapters are sold separately and require through-hole soldering. Firmware updates use the microSD card. An original C64 Assy 326298 needs the documented reset fix, and the SX-64 needs the straight C64/128 adapter.

Combines DivMMC-compatible microSD storage, 512 KB of expansion RAM, dual-AY audio, DAC modes, and configurable joystick or mouse input on the ZX expansion bus.

The seller exposed a login-or-register-to-buy path on 2026-07-27 and documented firmware 1.5. Power off before changing the edge connection or input mode. Automatic Sinclair-versus-Amstrad selection depends on 9 V at edge pin 3B; compatible clones without that signal need the documented modification. Firmware updates require a separate Gowin programmer and removal of the flash ROM. Prepare a separate FAT32 microSD card with the supported ESXDOS release.

Recreates a C64 as a complete FPGA-based keyboard computer with original peripheral interfaces plus HDMI, USB, microSD, Ethernet, and Wi-Fi.

On 2026-07-27, the breadbin BASIC Beige model exposed a Buy Now path and regional stock, while the slimline Commodore 64C Ultimate was a paid preorder scheduled for factory dispatch on September 15, 2026. The internal microSD card is sold separately. The externally accessible user port requires a separate adapter. Commodore warns that Ultimate64 and C64 Ultimate hardware and firmware are diverging; unsupported firmware can leave a machine nonfunctional and resulting damage is outside free support, warranty service, and replacement.

Combines DivMMC microSD storage, USB HID input, four ROM slots, snapshot storage, dual-AY audio, and DAC modes in one ZX expansion interface.

The seller exposed a login-or-register-to-buy path on 2026-07-27. Its published testing covers the original 48K, original 128K, Pentagon, and KRAKEN. The page says +2A and +2B compatibility still has known issues and that keyboard-mapped USB input will not work on +2A or +3 because of data-bus coupling; those models are not attached. Treat the described resistor workaround as experimental, not an installation recommendation. Follow the separate FPGA and USB-controller update procedures exactly.

Adds an ESP32 coprocessor with switchable composite video, 8-bit audio, and microSD-backed software to slot-bearing Apple II systems.

The MacEffects Apple II collection said Sold out on 2026-07-24. The card is not bootable: it needs a Disk II or SmartPort storage emulator, another supported block-storage card, or a physical floppy drive and blank disk. MacEffects was only the distributor and offered no technical support or warranty.

Builds a compact x86 computer for late DOS and early Windows 98 with integrated audio, networking, modern storage, and legacy input support.

The official Batch 2 product page reported sold out on 2026-07-27. The public repository provides a build guide and design files. A Vortex86EX SOM and AGP graphics card are required and were sold separately; RetroDreams' exact SOM listing was also sold out.

Provides a portable 128 KB enhanced Apple IIe-compatible system with an integrated LCD, speaker, and microSD-based floppy and hard-disk images.

On 2026-07-27, the 3.2-inch page exposed case choices and an Add to cart control, although another stock marker on the same page said out of stock. The 1.6-inch and built-in-keyboard models were explicitly out of stock. Check the selected variant before ordering. A microSD card and USB power supply are not included. The 1.6-inch model also needs a separately sourced lithium battery and soldering work; its battery must be charged with the emulator switch in the OFF position.

Replaces the RC2014 CompactFlash storage module with microSD for CP/M 2.2.

Current kits are offered for Standard or Enhanced Bus, with the surface-mount microSD socket loose or preinstalled. The Standard Bus version needs the supplied jumper lead to connect /WAIT to the CPU module. The vendor page says RomWBW support is forthcoming, so this record only claims CP/M 2.2 support.

Combines a working Z80 or Z180 computer with RC2014-compatible expansion sockets on one buildable motherboard.

The official pages listed complete-kit and bare-PCB suppliers on 2026-07-27, but no assembled and tested option. Exact inventory varies by model and supplier; the Tindie seller was temporarily on a break when checked. Each board still needs assembly plus the documented power, terminal, and storage accessories.

Builds complete RomWBW and CP/M computers from matched 40-pin or 80-pin RCBus backplanes and modules.

The official pages listed complete-kit and bare-PCB suppliers on 2026-07-27, but no assembled and tested option. Exact inventory varies by model and supplier. A suitable power supply, storage card, USB serial adapter, terminal computer, and assembly tools may be required as specified for each model.

Adds an 18.432 MHz Z180 processor, dual serial ports, and a microSD interface.

The project provides firmware, a schematic, Gerbers, PCB design files, and kit or bare-PCB suppliers; an assembled version is not offered. RomWBW supports the microSD interface, while the documented Small Computer Monitor configuration does not. On PCB v1.0.0 the JP2 RX2 and TX2 labels are swapped; v1.0.1 corrects them.

Adds simple bit-banged microSD storage with RomWBW support.

The project supplies a schematic, Gerbers, PCB design files, and kit or bare-PCB paths. Support is included in RomWBW v3.5; RomWBW v3.4 needs SDENABLE enabled in the RCBus_std configuration. Small Computer Monitor does not support it.

Reimplements SDrive around a 48 MHz Cypress PSoC ARM controller with microSD, capacitive controls, eight drives, and cassette emulation.

The repository publishes Eagle hardware files, PSoC firmware, update binaries, documentation, and enclosure models. Initial controller programming requires a Cypress KitProg-compatible programmer and the source expects the older PSoC Creator 4.0 toolchain. The latest tagged update is from 2018 and fixes FAT16, large ATR and 256-byte-sector handling, applies Hias patches, and improves SD-card compatibility; the last repository change shown is from 2022. No current assembled seller or explicit repository license was verified.

Emulates Atari SIO disk and cassette drives from microSD storage with an Arduino and touchscreen.

The Brewing Academy kit was sold out on 2026-07-24, but the firmware and build files remain public. Its kit still requires assembly and part of an SIO cable. The official project strongly recommends external power because the approximately 150 mA load exceeds the Atari SIO specification; follow its wiring instructions carefully to avoid back-powering the computer or device.

Provides open internal and currently assembled external SD-based SIO disk-emulator variants for Atari 8-bit computers.

Lotharek exposed a login-or-register-to-buy path for SD Drive Mini on 2026-07-27, and Retro Lemon also listed it with pricing. It plugs directly into SIO, uses a FAT32 microSD card and SDRIVE.ATR, and provides two buttons plus LEDs for selecting four drive slots. The separate open SDrive-Simple-II build still requires PCB assembly, ATmega328P programming, and an internal SIO connection. Its documented firmware supports cards up to 32 GB and ATR and XEX files, but not CAR, ROM, ATX, XFD, or CAS files, and it has no control for swapping disks in a multi-disk title. The former SDriveXEL assembled source and exact public build package remain unavailable.

Turns supported Arduino hardware and a microSD reader into a single Atari 1050-compatible SIO disk emulator.

The maker says SIO2Arduino has been superseded by SDrive-MAX and is no longer actively developed, but its GPL source and detailed wiring instructions remain online. It currently emulates only one D1: drive. A build needs a supported Arduino Uno, Mega 2560/ADK, or Teensy 2.0, a compatible SD reader, the specified SdFat library, an Atari SIO connection, and configuration matched to the chosen hardware. LCD and physical controls are optional.

Replaces an Atari ACSI hard disk with SD or microSD media in external, direct-plug, or internal Mega ST-family forms.

The internal, cased external, acrylic-case, and Mini pages exposed order paths on 2026-07-27. No form includes storage media. The current grey cased and internal revisions use USB-C, while the acrylic and Mini pages specify Micro-USB; a 5 V phone charger is not supplied. The cased units need a separately sold DB19-to-IDC20 ACSI cable, the Mini plugs directly into ACSI, and the internal unit needs a separately sold Mega ST or Mega STE adapter. The current cased page contains an older Micro-USB FAQ despite its revision notice saying USB-C. Older TOS versions can be slower or unsafe with DOS-compatible media, and some Atari DMA circuits or modern high-capacity card pairs need the documented troubleshooting or clock-capacitor fix. The optional DUCKBILL flasher requires a direct, bidirectional PC parallel port and Windows XP DOS console.

Mounts as many as eight block-device images from USB storage or microSD through slot-card and Apple IIc CPU-socket versions.

The original Xdrive page said Sold out on 2026-07-24, and the Xdrive2c page said Sold out on 2026-07-27. Each assembled product included a USB drive with software and its manual; a microSD card was not included. Installing the slot card backward can damage it. Xdrive2c supports ROM 03, ROM 04, ROM 4X, and custom-ROM IIc systems and can work with a Zip Chip, 65816 adapter, or MB4c Mockingboard through optional cables or adapters. Very early hairpin-keyboard IIc systems need plastic-brace removal or a compatible low-profile stiffener.