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https://github.com/sparkfun/Pro_Micro

ATMega32U4 Arduino board, available from SparkFun Electronics
https://github.com/sparkfun/Pro_Micro

arduino-boards atmega32u4 microcontroller qwiic sparkfun-products

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ATMega32U4 Arduino board, available from SparkFun Electronics

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README

        

SparkFun Pro Micro and Qwiic Pro Micro USB-C
========================================







Pro Micro - 3.3V/8MHz
[DEV-12587]

Pro Micro - 5V/16MHz
[DEV-12640]

Qwiic Pro Micro - USB-C (ATmega32U4)
[DEV-15795]

The Pro Micro is a microcontroller with an ATMega32U4 IC on board. The USB transceiver is inside the 32U4, adding USB connectivity on-board without external USB interfaces. The Pro Micro comes in both a 3.3V and 5V version. For users using the Qwiic Pro Micro USB-C, the board includes a jumper to select either 5V or 3.3V, reset button, castellated pads, and Qwiic connector. The USB connector and voltage regulator are also different.

Repository Contents
-------------------
* **/Documentation** - Data sheets (.pdf and .svg)
* **/Firmware** - Arduino example code used in the hookup guide
* **/Hardware** - All Eagle design files (.brd, .sch, .STL)
* **/Production** - Test bed files and production panel files

Documentation
--------------
* **Hookup Guide**
* **[Pro Micro & Fio V3](https://learn.sparkfun.com/tutorials/pro-micro--fio-v3-hookup-guide)** - Basic hookup guide for the Pro Micro (ATmega32U4) 3.3V and 5V versions as well as the Fio V3.
* **[Qwiic Pro Micro USB-C](https://learn.sparkfun.com/tutorials/qwiic-pro-micro-usb-c-atmega32u4-hookup-guide)** - Basic hookup guide for the Qwiic Pro Micro.
* **[SparkFun Arduino Board Addon](https://github.com/sparkfun/Arduino_Boards/)** - Arduino board addon for Qwiic Pro Micro.
* **[SparkFun Graphical Datasheets](https://github.com/sparkfun/Graphical_Datasheets)** - Graphical datasheets for various SparkFun products.
* **[SparkFun Fritzing repo](https://github.com/sparkfun/Fritzing_Parts)** - Fritzing diagrams for SparkFun products.

Product Versions
----------------
* [DEV-15795](https://www.sparkfun.com/products/15795)- 5V/16MHz version with Qwiic connector and USB C
* [DEV-12640](https://www.sparkfun.com/products/12640)- 5V/16MHz version
* [DEV-12587](https://www.sparkfun.com/products/12587)- 3.3V/8MHz version

License Information
-------------------
This product is _**open source**_!

Please review the LICENSE.md file for license information.

If you have any questions or concerns on licensing, please contact technical support on our [SparkFun forums](https://forum.sparkfun.com/viewforum.php?f=152).

Distributed as-is; no warranty is given.

- Your friends at SparkFun.

__