Integrating an Arduino Pro Micro into your PCB design using Autodesk EAGLE (now part of Fusion) requires specific library files to ensure the pin spacing and footprints are accurate. Where to Find the Library Most designers use the SparkFun Eagle Libraries , as SparkFun originally developed the Pro Micro. Official SparkFun GitHub: The most reliable source is the SparkFun-Eagle-Libraries repository . Search for the SparkFun-Boards.lbr file within the "Boards" folder. Specific Component Name: Once the library is loaded, look for ARDUINO_PRO_MICRO
: Instead of drawing 24 individual pins, the library provides a unified symbol and footprint specifically sized for the Pro Micro's 0.1" pitch headers. arduino pro micro eagle library
: The Pro Micro was originally designed by SparkFun. Their official SparkFun Eagle Library contains the original footprint for the Pro Micro . Integrating an Arduino Pro Micro into your PCB