Stock / Patched / upgraded ROM files for old Psion devices

AIMSICD • Fight IMSI-Catcher, StingRay and silent SMS!

Ericsson Chatboard USB conversion

Python utility to interface with Ericsson Chatboard CHA-10 tiny keyboard

5.25" USB Floppy with STM32 bluepill

This is where it all begins

Bus tap to connect a logic analyzer between a Molex 7880x socket & chip carrier. (TANDY 100/200, Epson PX-8 Option ROM sockets)

Adapting USB devices to work on old computers

Infrared remote control to PS2/USB keyboard converter

Arduino receiver for Infrared Keyboard FDC-3412

PS/2 to serial port mouse adapter

PCChips M396F V2.7 Replika

Open-source 486 ATX Motherboard

🎮 Gameboy link cable breakout PCB

PicoMEM Doc and Firmware

The CGA Compatibility Tester: Tests ISA videocards for register-level compatibility with CGA

Replacement PCB for the original gameboy DMG with 1 watt speaker, lipo battery and more...

8088-compatible 8-bit ISA PC/104 SVGA Card

MicroATX Turbo XT Motherboard, with VGA, Floppy, CF, Serial

NuXT v2.0

A proof-of-concept ChatGPT and Hugging Face client for DOS with text-to-speech for Sound Blaster compatible systems.

Open source retro ISA video card

Joystick adapter so that Atari-style joysticks can be used on the Dragon 32/64 and Radioshack CoCo line of computers.

A replacement Gameboy DMG headphone jack PCB utilizing all newly manufactured parts -- yes, even the jack.

A Recreation of the Original Game Boy, With a Few Modern Twists

Planet X3 Open Source Edition – MS-DOS

This is a modified version of the Graphics Gremlin ISA CGA/MDA graphics card to include a HDMI port.

RTL8019-based ISA network card, NE2000-compatible

GUI Wrapper for Keir Fraser's Greaseweazle