A Windows 7 (or newer) .NET Framework utility tool for Commodore hardware repairing, troubleshooting and diagnosing. Currently supporting C64, C128/C128D and VIC-20. Experimental support for Linux …

PPEBcr - Surface Mount version of the PPEB by JasonACT

Open Source documentation for the TI-99/4A Pi Pico PEB (cost reduced) by dabonetn

24 channel, 100Msps logic analyzer hardware and software

A low-power E-Paper weather display powered by an ESP32 microcontroller. Utilizes the OpenWeatherMap API.

Second revision of the TI_99

TMS9918A emulator library (C99)

Tang Nano 9K TMS 9118A VDP

A library of Parts for FreeCAD. WARNING - This library is huge. It might take a long time to download and make the addons manager unresponsive for many minutes.

Full drop in TI99/4a Power supply replacement. No soldering.

Modular card cage for S100 computers

Modular Amstrad CPC Compatible Computer (WiP)

Modular Backplane Computer

My Modular Z80 Homebrew Computer

Site website

GIT Repo for the ATX2AT Smart Converter

Acorn System 6502A clone card

PCB for internal installation of ACSI2STM in Atari Mega STE

An adapter to allow Archimedes computers to use cheap PS/2 keyboards and mice. This is just a PCB/Schematic based on the hard work of the StarDot forum. See ReadMe for more details/

Acorn Archimedes A300 series 4-slot backplane

ARM3 board for fitting in ARM2 socket on Acorn Archimedes series machines

A replacement power board for the TI99/4A that allows a 12V DC power supply to be used instead of the original AC adaptor

A simple and small joystick adapter for the TI 99/4A

TI-99/4A joystick adapter allowing for the use of two standard Atari style DB9 joysticks

Arduino DSKx / 32K / FTP / NTP shield for the TI99/4a

ti99-rgb

TI HEX-BUS SD Drive Interface

Kicad chip library for CBM MOS/CSG plus other useful chips for retro projects.