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2 layers141.9 × 6 mmLed, the printed circuit board in 3D

Monorepo for awesome tools/projects/libraries

Size
141.9 × 6 mm
Copper layers
2
Thickness
1.6 mm
Parts
7
Nets
8
Pads
26
Tracks, vias
24, 2
Pours
3
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
4 Jan 2019
Updated
12 Oct 2026

Overview

Led is an open-source printed circuit board by dennisss, from the dennisss/dacha repository on GitHub, published under the Apache-2.0 licence. It is a 2-layer board of 141.9 × 6 mm with 7 parts on 8 nets, routed with 24 tracks and 2 vias.

It is built around the WS2812B-2020. Its parts include 5 ICs and 2 connectors.

Main components

1

README

README.md

dacha

This is a monorepo/ecosystem of software/hardware solutions built by Dennis. Code is written primarily in Rust. Check out the partial list of what's available below.

To get started using the existing applications in this repo, follow the user guide.

Licensing

Files in this repository are licensed according to the terms in the LICENSE file though sub-directories may contains separate LICENSE files that overrule this for all files in that sub-directory.

In short, all the software is licensed under an Apache 2 license and hardware is licensed with the CERN OHL v2 Permissive license.

Components

Systems

Libraries

Compilers

Directory Structure

Directories under this repository are used as follows:

  • pkg/[name](/[subname])* : First party Rust crates
  • doc/ : General documentation not associated with any specific package
  • testdata/ : Data for testing stuff under pkg/
  • third_party/ : Code and data dependencies imported from external sources (not written originally in this repository).
    • Code that interfaces with external services/devices may still exist in pkg/
    • As a general rule of thumb, we'd prefer to clone any dependencies into here rather than relying on package manager based vendoring.

Parts

7
QtyValueFootprintReferences
5WS2812B-2020Components:WS2812B-2020U1, U2, U3, U4, U5
1INComponents:PinHeader_Edge_1.27mm_3PJ2
1OUTComponents:PinReceptacle_Edge_1.27mm_3PJ1

Questions

How big is the Led PCB?

It measures 141.9 × 6 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Led use?

7 parts, built around the WS2812B-2020. 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 Led KiCad files?

From the dennisss/dacha repository on GitHub, at the commit this page was made from: the board is pkg/cluster/machines/jbod/boards/led/r1/led.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Led design in my own project?

Its repository publishes it under the Apache-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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