2.2 Firmware
Last updated
Last updated
The firmware of a keyboard is what runs on the board's microcontroller, reading the keyboard matrix and sending the scancodes for pressed keys to the computer. When a keyboard is backlit the LEDs are typically controlled by the firmware as well. - /r mk firmware wiki
Some ergo keyboards don't easily expose firmware, others do. QMK is by far the most popular firmware for keyboards. Most ergo keyboards use QMK or have their own forked version.
QMK
Depending on what keyboard you get, you will have instructions on how to set up the keyboard specific firmware, software and layers.