BlueSCSI v2/Ultra - an open source, open hardware, SCSI emulator using the Pi Pico PR2040 and Pico 2 RP2350

InteractiveHTMLBOM script for Altium Designer

FTP Server for 3DS/Switch

OS overhaul for Miyoo Mini and Mini+

Gravis Ultrasound emulator on an ISA card, using bare metal on a Raspberry Pi 3/4/CM4

Emulation of ISA sound cards and CD-ROM on Raspberry Pi Pico (GUS, SB/Adlib, MPU-401, Tandy, CMS, Panasonic CD-ROM) with USB mouse/joystick support

MSLA/DLP, file analysis, calibration, repair, conversion and manipulation

24 channel, 100Msps logic analyzer hardware and software

Penkesu Computer - A Homebrew Retro-style Handheld PC

Documentation for the Mainboard and other modules in the Framework Laptop 13

Newly made ISA8 sound card. Replica to "Music Sintez Cell" from old soviet "Agat" PC

The app which enables the users to edit office documents from Nextcloud using ONLYOFFICE Document Server, allows multiple users to collaborate in real time and to save back those changes to Nextcloud

Theory of digital signal processing (DSP): signals, filtration (IIR, FIR, CIC, MAF), transforms (FFT, DFT, Hilbert, Z-transform) etc.

Psion Organiser II interface over USB using an Arduino

PCB Designs By Androda

A small SCSI device based on stm32

Use a Raspberry Pi, old computer or VM as network storage for different retro computers and consoles

Android application for Meshtastic

Make old Sigma lenses work on newer Canon bodies.

An ESP8266 based RS232 <-> WiFi modem with Hayes AT style commands and LED indicators

Open source retro ISA video card

Minidisc NetMD Conversion and Upload

A wifi webradio with only low cost boards ESP8266 and VS1053 by Jp Cocatrix

User manual

A circuit-level redesign of the Game Boy Advance, addressing many of the issues seen with the original GBA

Game Boy -related schematics

A tiny social network (for bunnies), built with FastAPI and React+RxJs