PS/2 to XT Keyboard Converter

CGA/EGA input board for the GBS-8200 VGA converter

local handling for Tuya devices

Redmond SkyKettle integration for Home Assistant

Schematic and Gerbers for a SFRC2DA slimline Gotek

A Gotek based compact PCB for Amiga

Drop-in replacements for metal can and half can style crystal oscillators

Pico TTL (MDA/CGA/EGA) to VGA converter

PS2 keyboard interface to PC-XT

📺 Smaller, better GBS8200 for portablizers, powered by GBS Control

SETCLK utility to set a CPU clock on FE2010A/PT8010AF based IBM-PC/XT clones.

MIDI-Stick is a small MIDI synth based on the SAM2965 that plugs in the joystick port of your sound card

This board converts CGA/EGA/MDA/Hercules TTL signals into analog RGB signals that can be fed into a compatible monitor

24 channel, 100Msps logic analyzer hardware and software

Combination expansion card for the IBM PC Bus (1981)

ISA card to provide up to two writeable option-ROM sockets.

A ISA card for PC/XT/AT that has SD storage and SPI/I2C interfaces using a ATMEGA328P

Cirrus Logic GD 542x ISA video card

A portable assembler for Z80, 8080, Gameboy, 6805, 8051 and others.

A replica of the TD-37S 7-segment display used in PCs from the 90s

Single-board DOS computer and ROM BIOS

C compiler driver to produce tiny DOS .exe and .com executables

This repository contains wmake style makefiles and patches to build Lua on Open Watcom 1.9 or later. This allows Lua to be cross-compiled for several legacy Operating Systems as far back as 16-bit …

A modern, cross-platform way to manage your OPL game collection.

TPLang documentation

VGA H/V to Composite Sync Generator. Kicad schematic & PCB.

PhysicsEditor loading & exporting library.