# doio/kb12 QMK for DOIO Knob 12% . * Keyboard Maintainer: DOIO2022 * Hardware Supported: DOIO Knob 12% Make example for this keyboard (after setting up your build environment): make doio/kb12:default Flashing example for this keyboard: make doio/kb12: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 key at (0,0) in the matrix (usually the top left key or Escape) and plug in the keyboard * **Physical reset button**: Briefly press the button on the back of the PCB * **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available