Danny Arnold's repositories
EasyPicoVGA
Raspberry Pi foundation's PI Pico VGA/Sound board reengineered for thru hole components
acsi2stm
Atari ST ACSI to SD card converter with a STM32
AmigaRGBtoHDMI
LinuxJedi's designs for Amiga RGBtoHDMI boards.
b-em
An RP2040 and Raspberry Pi 2/3/4 version of an opensource BBC Micro emulator originally for Win32 and Linux
bf-romulator
Romulator - RAM/ROM replacement and debug for 6502 CPU systems
BGK
Project BGK
BullCowGame
Gamedev.tv Unreal Coursework
cc65
cc65 - a freeware C compiler for 6502 based systems
cynthcart
Synthesizer program for the Commodore 64 computer designed with live performance in mind. Includes arpeggiator, portamento, stereo SID and MIDI support, realtime filter control, many other features.
ESP8266_ArtNetNode_v2
ESP8266 based WiFi ArtNet to DMX, RDM and LED Pixels
index
The Index is an open source pick and place machine.
ip65
IP65 - a TCP/IP stack for 6502 based computers
nerves
Craft and deploy bulletproof embedded software in Elixir
octobeacon
LED Beacon for octoprint
oldschoolengine2
Limited feature C64 emulator written on Unity, runs recent Covert Bitops games.
Open68000Relocator
Changes the orientation of a 68000 DIP CPU
OpenFlops
Open-Hardware Floppy Drive Simulator
RC6502-Apple-1-Replica
An expandable SBC-version of the Apple 1 computer, easy to get started with and lot of cool stuff that can be added to it!
zx-diagnostics
Firmware to allow functional testing of ZX Spectrum hardware and related clones. See the wiki for full details.