# GreatPad 20 Keys Custom Macro Pad, 2 Encoders, OLED 128x64, with USB Type-C, RGB underglow, RGB Per Key Lighting. * Keyboard Maintainer: [gkeyboard](https://github.com/gkeyboard) * Hardware Supported: GreatPad PCB * Hardware Availability: http://www.mltelectronic.com Make example for this keyboard (after setting up your build environment): make gkeyboard/greatpad:default Flashing example for this keyboard: make gkeyboard/greatpad: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 boot button**: Hold down the boot button on RP2040 and plug in the keyboard * **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available