# Karn 2 Split, ortholinear, non-staggered, diodeless, 38 key keyboard, with a unique set of 1.5u thumb arc keys and 1.5u pinky reach keys. * Keyboard Maintainer: [Robert Mills](https://github.com/robcmills) * Hardware Supported: Blackpill STM32F401 Based on the excellent [cantor](https://github.com/diepala/cantor), and inspired by the popular [corne](https://github.com/foostan/crkbd), [ferris](https://github.com/pierrechevalier83/ferris) and [sweep](https://github.com/davidphilipbarr/Sweep) keyboards. [https://github.com/robcmills/karn-keyboard](https://github.com/robcmills/karn-keyboard) ![karn-2-left](https://i.imgur.com/vm6XFyIh.jpeg) ![karn-2-full](https://i.imgur.com/R7WnlC3h.jpeg) ![karn-2-pcb](https://i.imgur.com/EQqyyEDh.png) ### Make Make example for this keyboard (after setting up your build environment): make karn:default Flashing example for this keyboard: make karn:default:flash See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs). ### Bootloader Enter the bootloader in 3 ways: * **Bootmagic reset**: Hold down the top left key and plug in the keyboard. For the right side, hold the top right key and plug the keyboard. * **Physical reset button**: * Press and hold the BOOT0 button. * Press and release the NRST button. * Release the BOOT0 button. * **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available