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1% - 65% keyboard controller with RGB underglow and a backlight driver

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0xCB-dev/0xCB-micro

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0xcb-micro

1% - 65% keyboard controller with RGB underglow and a backlight driver

Licence OSHWA

Flashing

  • qmk clone
  • cd qmk_firmware
  • export LTO=Y
  • To go to bootloader hold the ESC key (row0 col0 / the key on the PCB) while plugging in (or short RST from the ISP header to GND).
  • make 0xcb/micro:via:flash

Assembly:

You can use the humanpnp to easily place components.

PCB:

KiCad 6 stable

Schematic

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BOM:

References Value Quantity Part Nb.
C2, C3, C4, C5, C10 100n 5 C478888
C6, C9 1u 2 C29936
C7, C8 22p 2 C85969
C1 10u 1 C85713
R5, R6, R8 10k 3 C98220
R1, R2 5.1k 2 C23186
R3, R4 22 2 C174301
R7, R9 330 2 C104763
D1 1N4148WT 1 C511874
D2 WS2812B 1 C114586
U2 ATMEGA32U4 1 ATMEGA32U4RC-MU-ND
U1 USBLC6-2SC6 1 C7519
Y1 16MHz 1 C389842
F1 1A 1 C369150
FB1 600R 1 C74330
Q1 FDS9926A 1 C693202
J1 USB 1 C168688

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1% - 65% keyboard controller with RGB underglow and a backlight driver

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