qmk_firmware/keyboards/kbdfans/kbd75/keymaps/tucznak/rules.mk

# Build Options
#   change yes to no to disable
#
BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
MOUSEKEY_ENABLE = no        # Mouse keys(+4700)
EXTRAKEY_ENABLE = yes       # Audio control and System control(+450)
CONSOLE_ENABLE = no         # Console for debug(+400)
COMMAND_ENABLE = no         # Commands for debug and configuration
SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
NKRO_ENABLE = yes           # USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
VELOCIKEY_ENABLE = yes      # RGB memes for quickscoping teens
AUDIO_ENABLE = no
RGBLIGHT_ENABLE = yes