2 layers235 × 72 mm
Kb2 v2
LilleAila/projects
Some small projects organized by year and month with development environments managed by nix and direnv
61 partsGPL-3.0
2 layers256 × 72 mm
Kb2 v7
LilleAila/projectsSome small projects organized by year and month with development environments managed by nix and direnv
- Size
- 256 × 72 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 66
- Nets
- 57
- Pads
- 471
- Tracks, vias
- 395, 0
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 8 Jul 2024
- Updated
- 2 Oct 2026
Overview
Kb2 v7 is an open-source printed circuit board by LilleAila, from the LilleAila/projects repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 256 × 72 mm with 66 parts on 57 nets, routed with 395 tracks and 0 vias.
Its parts include 28 diodes and 28 switches.
README
readme.mdSmall programming projects
Some small projects organized by year and month with development environments managed by nix and direnv
Devshell templates
Usage:
# .envrc
use flake github:LilleAila/projects#nix
use flake github:LilleAila/projects#python
use nix# shell.nix
{ pkgs ? import <nixpkgs> {} }: with pkgs; mkShell {
nativeBuildInputs = [
(python311.withPackages (ps: with ps; [
matplotlib
numpy
tkinter
]))
];
}Parts
66| Qty | Value | Footprint | References |
|---|---|---|---|
| 28 | ComboDiode | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +12 | |
| 28 | PG1350 | S1, S2, S10, S11, S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23 +12 | |
| 8 | Mount_Hole_2.2mm_Pad_Via | _1, _2, _3, _4, _5, _6, _7, _8 | |
| 1 | E73:SW_TACT_ALPS_SKQGABE010 | B1 | |
| 1 | ProMicro | MCU1 |
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Kb2
LilleAila/projects
Some small projects organized by year and month with development environments managed by nix and direnv
61 partsGPL-3.0
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Questions
How big is the Kb2 v7 PCB?
It measures 256 × 72 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Kb2 v7 use?
66 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.
Where can I download the Kb2 v7 KiCad files?
From the LilleAila/projects repository on GitHub, at the commit this page was made from: the board is 2025/ergogen/kb2_v7/pcb/pcb.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Kb2 v7 design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).