Akruvia OAK48 (Documentation/Product Guide) | 12×4 Ortholinear Keyboard | Gateron Low Profile

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Akruvia OAK48

A DIY RP2040-based 12×4 Ortholinear Hot Swap Gateron Low Profile Mechanical Keyboard kit.
(Requires soldering)
Be creative with your keycaps and switches combination!

Product inclusions:

1x RP2040 board
1x 40pin low profile male header
1x 40 pin low profile female header
50x Gateron Low Profile hot swap sockets (48 + 2 Extra)
50x 1N4148W diode (48 + 2 Extra)
1x Keyboard PCB
1x switch mounting plate (FR4)

1x acrylic base plate
1x acrylic microcontroller cover
1x acrylic feet
8x silicone feet
20x M2 5mm screws
12x M2 6mm screws
8x M2 8mm screws
20x M2 4mm standoffs
8x M2 13mm standoffs (M+F)

Required:

48x Gateron Low Profile switch
48x keycaps (Mind the height, try DSA)

Akruvia OAK48 PCB

Switch mounting plate made out of FR4 (PCB material)

Akruvia OAK48 RP2040 microcontroller board

You can press the boot button before plugging in the USB C cable to enter bootloader mode.
Put uf2 file to RPI-RP2 drive for flashing.

Akruvia OAK48 Acrylic

Soldering:

Solder diode from D1-D48 (Mind the polarity, there’s a line on the diode and the PCB to indicate correct polarity)
Solder hot swap socket from SW1-SW48 (Mind the orientation)

Break the 40pin female header to:
2x 9pin female header
1x 5pin female header
then solder to main PCB

Break the 40pin male header to:
2x 9pin female header
1x 5pin female header
then solder to the RP2040 board

Gateron Low Profile Switch and Mounting Plate

Mechanical Info

Don’t tighten the 6mm M2 screw all the way.

QMK and Vial Support:

Github link

Green LED on the microcontroller board lights up to indicate lower layer is active.
Blue LED on the microcontroller board lights up to indicate upper layer is active.
Red LED on the microcontroller board lights up to indicate Caps Lock is on.

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