0xCB-Pluto

Electrically and physically compatible with the standard Pro Micro featuring USB C, a flatter design for thight builds and preflashed with the QMK DFU bootloader for added stability. Also exposing all available pins!

Licence	OSHWA

Available here:

KeebSupply

Flashing

• qmk clone
• cd qmk_firmware
• export LTO=Y
• To go to bootloader press the reset button.
• make 0xcb/pluto:via:flash

Assembly:

You can use the humanpnp to easily place components.

PCB:

KiCad 6 stable

Schematic

Top	Bottom

BOM:

References	Value	Quantity	Part Nb.
C3, C4, C7, C8	100n	4	C478888
C2, C9, C10	1u	3	C29936
C5, C6	22p	2	C85969
C1	10u	1	C85713
R1, R2	5.1k	2	C23186
R4, R5	22	2	C174301
R3, R6	10k	2	C98220
D1	SMF5.0CA	1	576-SMF5.0CA
U1	USBLC6-2SC6	1	C7519
U2	ATMEGA32U4	1	ATMEGA32U4RC-MU-ND
Y1	16MHz	1	C389842
F1	1A	1	C369150
SW1	SW_Push	1	C589221
FB1, FB2	600R	2	C74330
J1	USB_IN	1	900-2169900001CT-ND