The is the definitive "Pro Micro" (using the ATmega32U4), as the "Arduino Micro" is actually a larger, different board . For a solid Eagle experience, the SparkFun Electronics Eagle Library is the industry standard . Top Library Picks SparkFun Electronics Library :
The Pro Micro provides 20 I/O pins, including 12 analog inputs and 7 PWM-capable pins. Arduino Docs common wiring diagrams for connecting the Pro Micro to specific sensors in EAGLE? Micro | Arduino Documentation arduino pro micro eagle library
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Click the grey circle next to the library name; it should turn , indicating it is now "in use". SparkFun Pro Micro The is the definitive "Pro