qmk_firmware/keyboards/mechlovin/foundation/rules.mk

# MCU name
MCU = STM32F103
BOARD = STM32_F103_STM32DUINO

# Bootloader selection
BOOTLOADER = stm32duino

# Build Options
#   change yes to no to disable
#
BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
MOUSEKEY_ENABLE = yes       # Mouse keys
EXTRAKEY_ENABLE = yes       # Audio control and System control
CONSOLE_ENABLE = yes        # Console for debug
COMMAND_ENABLE = yes        # Commands for debug and configuration
NKRO_ENABLE = yes           # Enable N-Key Rollover
BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
ENCODER_ENABLE = yes
AUDIO_ENABLE = no           # Audio output