qmk_firmware/keyboards/handwired/concertina/rules.mk

# Written for a Pro Micro. The keyboard case is compatible with much else.
MCU = atmega32u4
BOOTLOADER = caterina

# Build options:
MOUSEKEY_ENABLE = yes
EXTRAKEY_ENABLE = yes
TAP_DANCE_ENABLE = yes
RGBLIGHT_ENABLE = no
[Keyboard] Concertina (#11922) * [Keyboard] Concertina * Added a novel handwired keyboard. * Concertina lint * Perfunctory changes to pass CI. * Concertina line width * Changes from code review: GPL headers, modernization, full-width representation of matrix to match info.json. 2021-02-20 19:32:04 +00:00			`# Written for a Pro Micro. The keyboard case is compatible with much else.`
			`MCU = atmega32u4`
			`BOOTLOADER = caterina`

			`# Build options:`
			`MOUSEKEY_ENABLE = yes`
			`EXTRAKEY_ENABLE = yes`
			`TAP_DANCE_ENABLE = yes`
			`RGBLIGHT_ENABLE = no`