qmk_firmware/keyboards/machkeyboards/mach3/readme.md

Mach 3

A 3x3 macropad with RGB underglow. Note: It sets an output pin to high, which is the alimentation of the backlight circuit.

• Keyboard Maintainer: etiennelepagel
• Hardware Supported: Mach 3 from Mach Keyboards
• Hardware Availability: Mach Keyboards Official Website

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 RESET if it is available

Make example for this keyboard (after setting up your build environment):

make machkeyboards/mach3:default

See the build environment setup and the make instructions for more information. Brand new to QMK? Start with our Complete Newbs Guide.