Additional info

Matrix

You probably tried or will try to configure the keymapping to your liking. To make it easier configuring your layouts, photo of keyboards matrix will help.

Pinout

Most of the pinout can be found in config.h but there's here's a table of all the used pins for TMO50 (including indicator LED pins)

Pin	Assigned to
D5	Row 0
D3	Row 1
D2	Row 2
D0	Row 3
D1	Col 0
D4	Col 1
F0	Col 2
F1	Col 3
F4	Col 4
F5	Col 5
F6	Col 6
F7	Col 7
D6	Col 8
D7	Col 9
B4	Col 10
B5	Col 11
B6	Col 12
C6	Col 13
B7	Backlight
C7	RGB LEDs
B0	LED 4 (L4)
B1	LED 3 (L3)
B2	LED 2 (L2)
B3	LED 1 (L1)

Indicator LEDs

Their size is 2×3×4mm. The THT hole without a circle on the pcb is VCC(+) and the other one is connect to their corresponding pin.