/* Column pin configuration
* col: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
* pin: D0 D1 D2 D3 D5 B6 C6 C7 F1 F0 E6 B3 B2 B1 B0
*/
/* Row pin configuration
* row: 0 1 2 3 4
* pin: B5 B4 D7 D6 D4
B7 LED backlight
F6 WS2812 Strip