A highly clock-accurate FPGA clone of the NES 2A03(7) APU (pAPU), created on the basis of reverse engineering.

An implementation of the Joybus protocol used by N64 and GameCube controllers, for 32-bit microcontrollers

Ryobi Battery Repair

FlipperMCE PCB

Reverse engineered Raspberry Pi Compute Module 5

Use USB controllers on retro consoles

A cheap and easy to install modchip for the Nintendo GameCube!

Drop-in HDMI board for Panasonic Q GameCube

SEGA SATURN ODE/CD SWITCHER

An open source WS/WSC/SC/PCv2 flash cart

A collection of TMSS Disable mods I designed for Sega Mega Drive / Sega Genesis. A no cut or wire quick solder board (QSB) PCB design for Wurthless Elektroniks ATTINY code. Plus logic based designs…

Cheap and simple multi-mod for the Sega Genesis/Mega Drive

An open source edge sharpener for the SNES

PlayStation 1 Controller Reset mod

Universal Region mod, 50/60 Hz switch and In-Game-Reset (IGR) for Sega Mega Drive (AKA Genesis)

Atari 2600 Open-source System-on-Chip (SoC)

Princess Crown Translation GPL Edition

GCVideo DVI flex PCB for Nintendo Wii

Flex PCB for relocating the Wii U's SLC, MLC and Wi-Fi module

Dendy Classic & Junior remastered PCBs for various chipsets (developed by RetroGame)

A open Sega Genesis cartridge PCB

Open Hardware SNES Cartridge with save capability

24 channel, 100Msps logic analyzer hardware and software

Variant of Tian Feng's Triple Bypass V2 with fixes and functionality added

N64 DVI mod board using RP2040 and some DVI bit banging firmware from the PicoDVI project.

Open source Game Gear replacement screen mod based on the RP2040.

Micro SD Card Adapter v1 and v2.0 for Gamecube's Serial Port 2

Bitbanged DVI on the RP2040 Microcontroller