
Racer
StuckAtPrototype/Racer
These are structured into their own files. I could have used submodules, but decided against it.

QuadLevelShifter is an open-source printed circuit board by XekriRedmane, from the XekriRedmane/QuadLevelShifter repository on GitHub. It is a 4-layer board of 52 × 35.9 mm with 56 parts on 37 nets, routed with 562 tracks and 105 vias.
It is built around the 2EDN7524G, MAX395CWG+ and CFSH05-20L TR, with the BSS138 among its other parts. Its parts include 16 resistors, 16 diodes, 12 capacitors, 5 ICs and 4 transistors.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | CFSH05-20L | quad_level_shifter:SOD-882L | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16 |
| 8 | 10k | quad_level_shifter:R_0805 | R1, R2, R3, R4, R5, R6, R7, R8 |
| 5 | 100n | quad_level_shifter:C_0805 | C1, C3, C5, C7, C9 |
| 5 | 1u | quad_level_shifter:C_0805 | C2, C4, C6, C8, C10 |
| 4 | 180R | quad_level_shifter:R_1210 | R13, R14, R15, R16 |
| 4 | 2EDN7524 | quad_level_shifter:SOIC-8_3.9x4.9mm_Pitch1.27mm | U1, U3, U4, U5 |
| 4 | 470R | quad_level_shifter:R_1210 | R9, R10, R11, R12 |
| 4 | BSS138 | quad_level_shifter:SOT-23 | Q1, Q2, Q3, Q4 |
| 2 | 10u | quad_level_shifter:c_elec_6.3x5.3 | C11, C12 |
| 1 | EDGE_CONN_02X09 | quad_level_shifter:EDGE_CONN_02X09 | P1 |
| 1 | MAX395CWG+ | quad_level_shifter:SOIC-24-W | U2 |
The 54 most common of 56 parts.

StuckAtPrototype/Racer
These are structured into their own files. I could have used submodules, but decided against it.

willem-pennings/balancing-cube
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abhishek-kakkar/BeagleLogic
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lachlanA/eagle-to-kicad
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StuckAtPrototype/AirCube
Works standalone out of the box. Pairs with Home Assistant in minutes. Other platforms are supported through community-contributed extensions.

It measures 52 × 35.9 mm and has 4 copper layers, 1.6 mm thick.
56 parts, built around the 2EDN7524G, MAX395CWG+, CFSH05-20L TR and BSS138. 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 XekriRedmane/QuadLevelShifter repository on GitHub, at the commit this page was made from: the board is QuadLevelShifter.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 XekriRedmane before reusing the design.