alt Hacker NewsNovation Launchpad used to be exactly that: you send MIDI CC messages with proper values and you can light up the grid (with different colors).
Did that a few years back, i guess this might still be possible
Novation Launchpad used to be exactly that: you send MIDI CC messages with proper values and you can light up the grid (with different colors).
Did that a few years back, i guess this might still be possible
> used to be
Looks like they are still around? https://novationmusic.com/launchpad
Also seems to be in stock locally.
The device that I think popularized that design (citation needed) was the Monome (https://monome.org/) that looks like it is also still around and it has (always had?) some kind of open source license (https://github.com/monome).