keyboards/planck/keymaps/myoung34/rules.mk

   1 AUDIO_ENABLE = yes         # Audio output on port C6
   2 CONSOLE_ENABLE = no        # Console for debug(+400)
   3 MIDI_ENABLE = no           # MIDI controls
   4 MOUSEKEY_ENABLE = no       # Mouse keys(+4700)
   5 NKRO_ENABLE = no           # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
   6 RGBLIGHT_ENABLE = no       # Enable WS2812 RGB underlight.
   7 BACKLIGHT_ENABLE = yes
   8