Eagle (EAsel Layout Guru) is a CAD software tool developed by CadSoft, used for designing and manufacturing printed circuit boards (PCBs). Eagle provides a comprehensive set of features and tools for creating schematic diagrams, designing PCB layouts, and generating manufacturing files. It is widely used in the electronics industry and is a popular choice among hobbyists and professionals.

The logical representation of the Pro Micro used in your circuit diagram. It displays the pin names (RAW, VCC, GND, RST, TX, RX, and Digital/Analog pins) so you can wire connections easily.

By default, Eagle creates a user directory for custom assets. C:\Users\[YourUsername]\Documents\EAGLE\libraries Mac: /Users/[YourUsername]/Documents/EAGLE/libraries Move your downloaded Pro Micro .lbr file into this folder. Step 2: Activate the Library in Eagle Open Autodesk Eagle.