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 - Basic hookup guide for the Pro Micro (ATmega32U4) 3.3V and 5V versions as well as the Fio V3.
  • Qwiic Pro Micro USB-C - Basic hookup guide for the Qwiic Pro Micro.
• SparkFun Arduino Board Addon - Arduino board addon for Qwiic Pro Micro.
• SparkFun Graphical Datasheets - Graphical datasheets for various SparkFun products.
• SparkFun Fritzing repo - Fritzing diagrams for SparkFun products.

Product Versions

• DEV-15795- 5V/16MHz version with Qwiic connector and USB C
• DEV-12640- 5V/16MHz version
• DEV-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.

Distributed as-is; no warranty is given.

• Your friends at SparkFun.