
Gb devcart
fabPlane/gb-devcart
A simple, original Game Boy (DMG) / ModRetro Chromatic homebrew development cartridge. 512 KB of rewritable NOR flash, 8 KB of battery-free F-RAM, and an MBC5-subset mapper built from discrete 74HC logic.
Open-source boards designed in KiCad by fabPlane on GitHub, from 3 repositories. A board’s address here is its repository’s there.

fabPlane/gb-devcart
A simple, original Game Boy (DMG) / ModRetro Chromatic homebrew development cartridge. 512 KB of rewritable NOR flash, 8 KB of battery-free F-RAM, and an MBC5-subset mapper built from discrete 74HC logic.

fabPlane/ps1-memory-card-usb
RP2040 PS1 memory card with USB-C and microSD, designed in Fabdesk

fabPlane/x68000-midi
X68000 MIDI and 8 MB RAM expansion card: Gowin GW1NR-9, YM3802-compatible gateware in Amaranth, and a universal I/O slot breakout. CC0.

fabPlane/x68000-midi
X68000 MIDI and 8 MB RAM expansion card: Gowin GW1NR-9, YM3802-compatible gateware in Amaranth, and a universal I/O slot breakout. CC0.