Usually found in Documents > EAGLE > libraries .
Ensure you are downloading the library for the . Earlier versions might have slight differences in pin headers (like the missing SCL/SDA pins next to AREF). Shield Design arduino uno eagle library download
Many modern libraries include STEP files so you can view your design in 3D or design an enclosure in Fusion 360. Pro-Tips for Arduino PCB Design Check the Version Usually found in Documents > EAGLE > libraries
One of the most popular third-party libraries. It includes a high-quality Uno footprint optimized for easy soldering. Shield Design Many modern libraries include STEP files
If you are designing a custom PCB for your next electronics project, having a reliable Arduino Uno footprint for Autodesk EAGLE is essential. Using a pre-verified library saves hours of manual measuring and prevents costly manufacturing errors. Where to Download the Arduino Uno EAGLE Library
If you are building a , look for a library specifically labeled "Arduino Shield Template." This provides the headers in the correct orientation to plug directly into the top of the Uno. Clearances