qmk_firmware/keyboards/setta21/rules.mk

# MCU name
MCU = atmega32u4

# Bootloader selection
BOOTLOADER = caterina

# Build Options
#   change yes to no to disable
#
BOOTMAGIC_ENABLE = no       # Enable Bootmagic Lite
MOUSEKEY_ENABLE = no        # Mouse keys
EXTRAKEY_ENABLE = no        # Audio control and System control
CONSOLE_ENABLE = no         # Console for debug
COMMAND_ENABLE = no         # Commands for debug and configuration
NKRO_ENABLE = no            # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
AUDIO_ENABLE = no           # Audio output
UNICODE_ENABLE = no         # Unicode
RGBLIGHT_ENABLE = yes       # Enable WS2812 RGB underlight.
OLED_ENABLE = no
USE_I2C = no
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
RGB_MATRIX_ENABLE = no
RGB_MATRIX_DRIVER = WS2812

DEFAULT_FOLDER = setta21/rev1

LAYOUTS = numpad_6x4