Pro Micro & Fio V3 Hookup Guide
Contributors:
jimblom
jimblom 
Resources and Going Further
Thanks for checking out our Pro Micro and Fio v3 Hookup Guide! If you're looking for more resources related to these boards, here are some links:
- SparkFun Pro Micro
- SparkFun FioV3
- ATmega32u4 Firmware Notes (PDF)
- ATmega32U4 Datasheet (PDF)
- ATmega32U4 Arduino Addon GitHub Repository (RETIRED)
- SparkFun Arduino Board Addon GitHub Repository
Thanks for reading along with our Pro Micro hookup guide! Hopefully now you're fully prepared to begin using the Pro Micro in a project of your own. Here are some tutorials that might be worth checking out as you continue down the rabbit hole:
Connecting Arduino to Processing
Send serial data from Arduino to Processing and back - even at the same time!
Cherry MX Switch Breakout Hookup Guide
How to assemble and use the Cherry MX Switch Breakout, allowing you to turn a matrix of mechanical switches into a full-size keyboard!
LilyPad ProtoSnap Plus Hookup Guide
The LilyPad ProtoSnap Plus is a sewable electronics prototyping board that you can use to learn circuits and programming with Arduino, then break apart to make an interactive fabric or wearable project.
Tech Prank: Hardware Mouse Jiggler
Create an innocuous-looking USB stick with an Arduino Pro Micro and a 3D printed case that moves your mouse pointer randomly every few seconds. Sure to anger your coworkers and friends!
Feeling ambitious? Try making your own custom keyboard! Check out the custom keyboard builds from Martin Knobel using Pro Micros and Cherry MX switches:
Or check out these blog posts for inspiration.