Arduino+pro+micro+eagle+library -

Because it has a small form factor, integrating the board directly into a custom PCB as a daughterboard requires an exact pinout footprint. Finding the Arduino Pro Micro Eagle Library

Castellated pads are spaced correctly for soldering onto a mother board. arduino+pro+micro+eagle+library

SparkFun’s product page used to provide a direct Eagle files link that sometimes stops working. In that case, go directly to the ( SparkFun-Eagle-Libraries ) – the files there are always up to date and tested. Because it has a small form factor, integrating