
Passive rpi hub75-adapter
hzeller/rpi-rgb-led-matrix
Controlling up to three chains of 64x64, 32x32, 16x32 or similar RGB LED displays using Raspberry Pi GPIO

Die breakout boards
Bond dip40 r2-PcbDoc is an open-source printed circuit board by JohnDMcMaster, from the JohnDMcMaster/bond-pcb repository on GitHub. It is a 2-layer board of 17.8 × 50.8 mm with 2 parts on 40 nets, routed with 105 tracks and 0 vias.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 1 | 20x2 0.1 fencepost | ROUND40-0.5CAST | J2 |
| 1 | DIP40 ZIF | DIPF40 | J1 |

hzeller/rpi-rgb-led-matrix
Controlling up to three chains of 64x64, 32x32, 16x32 or similar RGB LED displays using Raspberry Pi GPIO


adamws/kicad-kbplacer
KiCad plugin for automatic keyboard's key placement and routing

Luos-io/luos_engine
Open-source and real-time orchestrator for cyber-physical-systems, to easily design, test and deploy embedded applications and digital twins.

NVNTLabs/switch2-SDEX2M2
Micro SD Express to M.2 NVME Adapter for Nintendo Switch 2

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

ohmtech-rdi/eurorack-blocks
Software to Hardware Prototyping for Eurorack using C++, Max/Gen~ or Faust

It measures 17.8 × 50.8 mm and has 2 copper layers, 1.6 mm thick.
2 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the JohnDMcMaster/bond-pcb repository on GitHub, at the commit this page was made from: the board is bond-dip40_r2/bond-dip40_r2-PcbDoc.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask JohnDMcMaster before reusing the design.