A split ergo 4x6 keyboard with 3 or 4 thumb keys made and sold by Keebio. More info at Keebio.
Keyboard Maintainer: Bakingpy/nooges
Hardware Supported: Pro Micro, ATmega32u4
Hardware Availability: Keebio
Make example for this keyboard (after setting up your build environment):
make keebio/iris/rev4:default
Example of flashing this keyboard:
make keebio/iris/rev4:default:flash
See build environment setup then the make instructions for more information.
A build guide for this keyboard can be found here: Iris Build Guide