

Usage
First-party packages 📦 from atopile
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 7
- Nets
- 6
- Pads
- 24
- Tracks, vias
- 33, 5
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 7 Apr 2025
- Updated
- 29 Apr 2026
Overview
Usage is an open-source printed circuit board by atopile, from the atopile/packages repository on GitHub, published under the MIT licence. It is a 2-layer board with 7 parts on 6 nets, routed with 33 tracks and 5 vias.
Its parts include 4 resistors, 2 capacitors and 1 IC.
README
README.mdFirst-party packages 📦 from atopile
This is a monorepo for all the loose packages published by atopile.
Project-specific packages are published from their own repos.
Development
Conventions
Package name restrictions:
-
kebab-case
-
starts with a letter
-
"[a-z][0-9-]+"
-
project directories MUST have the same name as the package
-
drivers for ICs SHOULD be in the format "-x?". eg ti-bq240x
- there should be a single "x" on the end if there are multiple variants of the same part family
- the manufacturer stub should be omitted if the they already do this for ths
-
modules and files should be named like "x?"
- "x" is optional if there is only one variant of the part family
- omit the manufacturer stub from the filename
-
components should be named like ""
-
build names should be:
- "ref-" for reference designs
- "test-" for test builds
- "example-" for example builds
- if only one IC/set of builds exist in a package, the name can be omitted
Contributing
We welcome contributions! Here's how you can help:
- Fork the repository
- Create a new branch for your changes
bash git checkout -b feature/your-feature-name - Make your changes
- Install and run pre-commit hooks to ensure code quality
bash pre-commit install pre-commit run --all-files - Commit your changes with clear, descriptive commit messages
- Push to your fork
- Open a Pull Request with a clear description of your changes
Please ensure your PR:
- Follows the package naming conventions above
- Includes appropriate tests if adding new functionality
- Has all pre-commit checks passing
- Has a clear description of the changes
Building Packages
To build all packages in the repository, use the build-all.sh script:
# Build all packages
./build-all.sh
# Build all packages with specific flags (e.g., --frozen)
./build-all.sh --frozenThe script will attempt to build each package and provide a summary report of successes and failures.
Parts
7| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 10000Ω | UNI_ROYAL_0402WGF1002TCE:R0402 | R3, R4 |
| 2 | 1F | Samsung_Electro_Mechanics_CL05B104KO5NNNC:C0402 | C1, C2 |
| 2 | 47000Ω | UNI_ROYAL_0402WGF4702TCE:R0402 | R1, R2 |
| 1 | STMicroelectronics_VL6180V1NR_1:LGA-12_L4.8-W2.8-P0.75-BL | U1 |
Questions
What parts does the Usage use?
7 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 Usage KiCad files?
From the atopile/packages repository on GitHub, at the commit this page was made from: the board is packages/st-vl6180/layouts/usage/usage.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Usage design in my own project?
Its repository publishes it under the MIT 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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