1 # Let's Split RGB Underglow
6 - Red: LED +5V -> Pro Micro VCC
7 - Green: LED Din -> Pro Micro TX0
8 - Black: LED GND -> Pro Micro GND
11 - Red: LED +5V -> PCB VCC
12 - Green: LED Do -> PCB Extra Data
13 - Black: LED GND -> PCB GND
18 - Red: LED +5V -> PCB VCC
19 - Green: LED Din -> PCB Extra Data
20 - Black: LED GND -> PCB GND