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

An internal RGB, S-Video, Composite video and Audio modification for the Turbografx 16

all-in-one integrated design，A Tvia Trueview5725 based upscaler/video converter board for retro gaming hardware，

USB input remapping dongle

An open-source WonderSwan Color consolizer.

ZX Spectrum for Raspberry Pico Pi RP2040

Cross-platform M8 tracker headless client

m8 headless for rg351 devices

A breakout/carrier board for the Analog2HMDI adapter by Electron Shepherd LLC

Classic NES games on open source hardware that fits in the palm of your hand

World's Smallest Nintendo Wii, using a trimmed motherboard and custom stacked PCBs

I made this E-ink display for my computer desk setup as a Always On display

NES Expansion Port Sound Generator

Open Source Button Choc

Raspberry Pi's RP2040 Minimal Design Example Updated for KiCAD 7+JLCPCB

some touchwheels

SHARP X68000 PicoPSU power adapter with integrated AC-DC converter

SHARP X68000 PicoPSU power adapter

Wiki and info about the Analogizer-FPGA adapter for the Analogue Pocket console

Breakout for an Atari ST monitor

A multitool adapter for the WonderSwan. Headphone, serial and link cable adapter in one.

Thin captouch-based synth platform for Raspberry Pi Pico

Tiny capsense touch MIDI keyboard controller from a Raspberry Pi Pico

An Open Source HardWare (OSHW) recreation of the 1993 toploading NES motherboard (Also known as NES-101)

AstroCity_Mini

A collection of hardware designs by members of the OpenStickCommunity

SNESpad for Arduino and Pico

A retro game engine for Python