# n51gl  This is 51 keys Custom keyboard. Use the GL516 case. * Keyboard Maintainer: [Salicylic_acid3](https://github.com/Salicylic-acid3) * Hardware Supported: nknl7 PCB, Pro Micro * Hardware Availability: [PCB & Case Data](https://github.com/Salicylic-acid3/GL516_Exemple) Make example for this keyboard (after setting up your build environment): make gl516/n51gl:default ## 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 - some may have pads you must short instead * **Keycode in layout**: Press the key mapped to `RESET` if it is available 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). [Build guide](https://salicylic-acid3.hatenablog.com/entry/a52gl-j73gl-build-guide)