Mot-clé : neopixel

https://www.developpez.net/forums/blogs/283256-f-leb/b10508/fpga-creer-circuit-logique-piloter-anneau-led-adressables-ws2812b/

Build a highly posh keypad with aluminum enclosure https://learn.adafruit.com/deluxe-4x4-neopixel-neokey-keypad