Apple II Peripheral Card that Interfaces to a ATMEGA328P for SD card storage

Schematic for Apple II System Board Revision 0

MSX Moonsound clone

WiFi card for Apple II series computers (roughly superserial compatible)

Apple II VGA PCB

TangNano 20K cartridge for MSX computers

A simple DC adapter for the Omega Home Computer

Acrylic X3L case for the Omega Home Computer

Terminal-based Telegram / WhatsApp client for Linux and macOS

Flashjacks Nextor Driver

GameBoy Color inside of Flashjacks

MSX Goa'uld board with Tang Nano 20k

Emulate external ROMS with SD card integration for Amstrad CPC-464

Emulate ROMs and Floppy images in MSX

Tang Nano 9K TMS 9118A VDP

Juego sencillo de tipo shooter para MSX con fines educativos

PicoPSU adaptor for retro computers

Repository to host source files for the Obsonet Reloaded

3D printable cases I've designed for various Sinclair ZX Spectrum clones.

Documents for making your own MSX Cartridges

A clone board for the Dragon64 and Tandy Color Computer

Telegram client for Arduino Esp8266/Esp32 Wifi Modules.

YM2151 clone in verilog. FPGA proven.

Verilog clone of YM2149

FM sound source written in Verilog, fully compatible with YM2612, YM3438 (JT12), YM2203 (JT03) and YM2610 (JT10)

A series of Amstrad CPC PCBs including a backplane, ROM and 512K and 1MByte RAM expansions.

Files to build, program and test the uMSX FPGA MSX2+ clone