An implementation of the Apple IIe's timing HAL

LiteSound stereo audio card for the Apple IIGS

A2Pico

KiCad plugin for automatic keyboard's key placement and routing

Collection of generated keyboard PCBs based on via layouts

68% keyboard - pcb, qmk config and 3d-print model

24 channel, 100Msps logic analyzer hardware and software

Reproduction of Apple's "Hobby/Prototyping Board" for the Apple II

Schematics and design files for FujiNet hardware

Generates a mobileconfig file to auto-connect to a VPN on your iOS device.

A small, single-PCB clone of the Commodore PET with all modern parts

Open hardware clone of the Commodore PET 4032

Use a Raspberry Pi as fast mass storage solution for your Commodore 8-bit computer using just the datassette port.

Firmware and schematics for the PETdisk MAX storage device for Commodore PET

3D models and additional files for the project Commodore PET Mini

A Commodore PET replica and more - with all new parts in 2022

A Nixie clock that uses IN-14 tubes and very generic components that can be easily sourced.

IP65 - a TCP/IP stack for 6502 based computers (added Dan ][ card support)

An implementation of an interface between an ESP8266 to a line level serial port

A single chip VT100 terminal based on the STM32F103C8T6/CS32F103C8T6

A customizable HID USB device with buttons, encoders, sliders, potentiometers, etc.

Tool for working with Apple II and vintage Mac disk images and file archives.

Cartridge for the Commodore 64 that packs a punch

Spacenav interactive configuration GUI

My rendition of the uTerm2-S. In SMD, but easily solderable. In a slightly more usable form. As extra, it can switch between normal and cross (null-modem) in software.

Kuro65 - The hot-swappable ISO mechanical keyboard PCB

68% keyboard

(Current V2) An open source 65% mechanical keyboard, designed to be physically compatible with XD68

Free user-space driver for 6-dof space-mice.