Trying to create custom Input shield with Eagle.

Projects General Guidance
1

I am trying to create a custom Input shield with Eagle. I've imported several libraries that contain the entire Uno R3 but, I am only interested in the board outline and pin headers. I plan to add terminal connectors to allow remote dry contacts to be wired to the shield. The dry contacts will assert/deassert inputs to my Uno R3. I will use the on-board +5V to wet the dry contacts.

Thank you!

2

Google "Arduino proto shield" (images) for a whole range of bare boards with Arduino pin headers.
Leo..

3

Use KiCAD instead of the proprietary Eagle and you get templates that provides the shield basics for different Arduino types (including the UNO).

4

Eagle files of all the Arduino boards are here on this site.
You just have to delete the parts that you don't need.
Leo..