Adafruit Eagle Library
A public domain Eagle CAD library containing Adafruit's custom and modified electronic component footprints.
What is Adafruit Eagle Library?
Adafruit Eagle Library is a collection of electronic component footprints and symbols for Autodesk Eagle CAD software. It contains parts that Adafruit has modified for better solderability or created from scratch, along with some contributions from other open-source sources. The library helps electronics designers quickly incorporate Adafruit components and other commonly used parts into their PCB designs.
Electronics hobbyists, makers, and professional engineers who use Autodesk Eagle for PCB design and want reliable, optimized component footprints.
Developers choose this library because it provides practical, real-world tested footprints that are easier to solder than standard Eagle parts, and it's completely free with no licensing restrictions due to its public domain status.
Overview
Slowly building up a collection of parts we use here ... This file includes some library parts from microbuilder.eu Most of 'em are either Eagle parts that I've changed a little to make them easier to solder, some are 'handmade' and a few are from microbuilder.eu Its released into the Public Domain - that means you can do whatever you want. We'd like it if you kept the author email/url in the part description, just so we can be alerted if there are errors. Enjoy!
Use Cases
Best For
- Designing PCBs with Adafruit components
- Creating hobbyist electronics projects in Eagle
- Modifying existing Eagle footprints for better manufacturability
- Finding optimized footprints for surface-mount components
- Learning PCB design with practical component libraries
- Sharing and collaborating on open hardware designs
Not Ideal For
- Projects using CAD software other than Autodesk Eagle (e.g., KiCad or Altium Designer)
- Professional environments requiring ISO-certified or industry-standard component libraries for compliance
- Designs needing compatibility with Eagle versions older than version 6
Pros & Cons
Pros
Released into the public domain, allowing unrestricted use, modification, and distribution without licensing restrictions, as stated in the README.
Footprints are modified from standard libraries to improve solderability and practical use, aligning with the philosophy of real-world manufacturability.
Includes handcrafted parts and contributions from sources like microbuilder.eu, ensuring reliable and tested components for hobbyist and professional projects.
Formatted for Eagle version 6 and later, providing compatibility with modern versions of the software, as highlighted in the README.
Cons
Requires users to modify Eagle directories and restart the software, which can be error-prone and less user-friendly compared to automated library managers.
Only works with Autodesk Eagle, limiting its utility for teams using multiple CAD tools or transitioning to other platforms like KiCad.
As a curated collection, it may lack footprints for newer or less common components, forcing users to supplement with other libraries or create their own.
Frequently Asked Questions
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