# Kepler-33 ![Kepler-33](https://i.imgur.com/zVvzBrOl.png) True 40% keyboard. The simple and symmetric. * Keyboard Maintainer: [Yaya](https://github.com/seityaya) * Hardware Supported: Kepler-33/proto, STM32F401 * Hardware Availability: *[Telegram](https://t.me/seityaya)* * Keyboard Layout Editor: [Kepler-33](http://www.keyboard-layout-editor.com/#/gists/a456c2256174a2cfa0b4aea832e78d8e) Make example for this keyboard (after setting up your build environment): make kepler_33/proto:default Flashing example for this keyboard: make kepler_33/proto: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 1 ways: * **Physical reset button**: Briefly press the button on the back of the PCB - some may have pads you must short instead