A common 60% PCB with RGB Backlight.
MCU: Atmega32u4
Led Driver: IS31FL3731
Leds: WS2812
Led Pin: D2
Led Drive Pins: D0 D1 (I2C)
/* Column pin configuration
* col: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
* pin: F1 B0 F5 B1 F6 B2 F7 B3 C7 B7 C6 D3 B6 D5 F0
*/
/* Row pin configuration
* row: 1 2 3 4 5
* pin: D4 D6 D7 B4 B5
*/