SparkFun ATmega32U4 Board Support

This contains support for the following SparkFun 32u4 based Arduino-compatible development boards:

• ProMicro 5V
• ProMicro 3.3V
• Fio v3
• MakeyMakey

Installation Instructions

To add this support to your Arduino IDE, simply copy the "sparkfun" folder, and all of its contents, into a "hardware" directory in one of two places:

• The actual Arduino directory
  • Directory structure example: C:/Program Files (x86)/Arduino/hardware/sparkfun/avr
• Inside your Sketchbook directory
  • Directory structure example: C:/Users/userName/Arduino/hardware/sparkfun/avr

Notes

• Please note: This will only work under Arduino IDE versions 1.5 and up.
• For Arduino 1.0.X Compatibility: Please download our release for Arduino 1.0.6 and earlier.
• Information on compiling and programming the bootloader can be found in the bootloader directory.