
Controller
google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards

Flex PCB for relocating the Wii U's SLC, MLC and Wi-Fi module
CafeFlex is an open-source printed circuit board by mackieks, from the mackieks/cafeFlex repository on GitHub. It is a 2-layer board of 37.8 × 39.8 mm with 11 parts on 32 nets, routed with 444 tracks and 263 vias.
Its parts include 3 capacitors, 2 resistors, 2 connectors and 1 IC. It belongs with the radio and wireless boards of this library.
caféflex is an SLC, microSD (MLC replacement, use ISFSHax) and Wi-Fi module relocation FPC for WUP-50 Wii U motherboards.
Tested and working!

Solderpad Hardware License v2.1
| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | TestPoint | TestPoint:TestPoint_Pad_1.5x1.5mm | TP1, TP2, TP3 |
| 2 | 100nF | Capacitor_SMD:C_0402_1005Metric | C1, C2 |
| 2 | 1K | Resistor_SMD:R_0402_1005Metric | R1, R2 |
| 1 | 2.4GHz Wi-Fi B2B | cafeflex:wificonn | J1 |
| 1 | 4.7uF | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | 503398-1892 | SamacSys_Parts:503398-1892 | J18 |
| 1 | K9K8G08U1D | Package_SO:TSOP-I-48_18.4x12mm_P0.5mm | U1 |

google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards


FrameworkComputer/ExpansionCards
Reference designs and documentation to create Expansion Cards for the Framework Laptop

hoglet67/RGBtoHDMI
Bare-metal Raspberry Pi project that provides pixel-perfect sampling of Retro Computer RGB/YUV video and conversion to HDMI

hackclub/OnBoard
💡 Join 1,000 teenagers and make your first PCB with a $100 grant!


tardate/LittleArduinoProjects
a collection of "Little Electronic & Arduino Projects", most involving electronics or an Arduino in one way or another!

basilfx/TRADFRI-Hacking
Hacking IKEA TRÅDFRI products, such as light bulbs, window blinds and other accessories.
It measures 37.8 × 39.8 mm and has 2 copper layers, 0.11 mm thick.
11 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 mackieks/cafeFlex repository on GitHub, at the commit this page was made from: the board is KiCAD/cafeFlex.kicad_pcb and its schematic KiCAD/cafeFlex.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask mackieks before reusing the design.