The Adafruit __Adafruit Metro Mini 328__ is an Arduino-Compatible 5V 16MHz [Microcontroller|MicroprocessorsAndMicrocontrollers].
!! References
* [Metro Mini Product Page|https://www.adafruit.com/product/2590] on Adafruit
* [Adafruit Metro Mini Overview|https://learn.adafruit.com/adafruit-metro-mini/overview]
* {Metro Mini Pinout|https://learn.adafruit.com/adafruit-metro-mini/pinouts]
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[{Tag Arduino Microcontroller}]