A shield for the Arduino Mega that can back up video game cartridges.

TAP/TZX Digital cassette recorder for 8-bit machines

DMG-CPU Reverse Engineering

Reverse-engineered schematics for DMG-CPU-B

Z80 CPU tester PCB

ZX Spectrum 48k Issue 6A board replica

A Raspberry Pi Pico based device to emulate a ROM on a ZX Spectrum

Floppy disk interface for Raspberry Pi

A jumperless breadboard

Completely Redesigning the NES Power Module to Reduce Noise and EMI

Hardware to program W27C512 EEPROM or any 24/28/32 pin ROM requiring from 5V to 27V programming voltage.

A CM4 gaming handheld, designed with the Switch Lite aesthetics in mind. Contains all STL files and code to build your own landscape retro handheld system. Co-project with Dmcke5.

Frog Boy Color assembly information.

Tad Boy Color project information

The next generation jumperless breadboard

A set of printed circuit boards created by me.

Compaq MX 11800 also known as G80 11800 QMK firmware for Teensy++ 2.0 along with VIA firmware

ZX Spectrum edge connector (ZX Bus) Kicad model

Libraries for Kicad of common components used in 8btis projects, expecial in Spectrum ones

24 channel, 100Msps logic analyzer hardware and software

Sinclair ZX Spectrum 48/128 FPGA implementation

An RP2040-based ROM emulator

A set of Python/Rust tools to aid routing in KiCad

OSHW Reproduction Parts related to the Super Famicom / Super Nintendo game console

Replacement PCB for Cherry G80 11800/Compaq MX 11800 keyboard using QMK firmware and VIA

Dram tester for 4116 and 4164/256

A replacement RAM module for a ZX Spectrum +2 (Grey) machine to replace 8x4164 chips