SD2IEC is a hardware mass storage device using an SD/MMC card and interfacing with the IEC bus. It is based on the ATmega644 microcontroller from the Atmel AVR microcontroller family.

The most prominent use of SD2IEC is emulation/replacement of a Commodore-1541 disk drive for a C64. Hardware and the microcontroller’s firmware is available as open source (GPL).

Changelog:

2010-03-07 – release 0.9.1

• Bugfix: Filling unused REL records used wrong offsets.
• Bugfix: Unbreak case-insensitive matching of FAT file names.
• Bugfix: Fix raw directory mode for D64/D71/D81.
• Bugfix: Tell the display about REL files too.
• Add preliminary support for the ATmega1284P.

source: sd2iec.de gitweb forum thread c64-wiki

Foto review of the Serial cable and Transfer program:

ADTPro may be used to transfer Apple diskette/disk images in DOS or ProDOS/SOS format.

The Apple client side happens to run under ProDOS or SOS, but it is perfectly capable of reading or writing Apple DOS (or Pascal, or CP/M, or…) diskettes.

source: adtpro.sourceforge.net

Foto review of 3½ Floppy adapter:

Thanks to B.C for the Floppy adapter.

source: ebay retro-zone.org amstrad hack page