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2 layers69.1 × 97 mmBv PCB, the printed circuit board in 3D

A macropad inspired by "Black Voice" an ability in a popular manga called Hunter X Hunter by Yoshihiro Togashi

Size
69.1 × 97 mm
Copper layers
2
Thickness
1.6 mm
Parts
40
Nets
41
Pads
153
Tracks, vias
352, 92
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
24 Jul 2026
Updated
5 Aug 2026

Overview

Bv PCB is an open-source printed circuit board by Ningheim, from the Ningheim/Macronark repository on GitHub, published under the MIT licence. It is a 2-layer board of 69.1 × 97 mm with 40 parts on 41 nets, routed with 352 tracks and 92 vias.

It is built around the SK6812MINI-E. Its parts include 24 diodes, 12 switches, 1 IC and 1 connector. It belongs with the keyboards and input boards of this library.

Main components

1

README

README.md

Macronark, a HXH inspired macropad

A macropad inspired by Shalnark's ability in a popular manga called Hunter X Hunter by Yoshihiro Togashi

The "Macronark" is a 12 key macropad with RGB backlit keys. It uses QMK firmware and is upgradable with a 6-pin JST port on the back of the PCB.

Features:

  • Full PLA Shalnark inspired case
  • 12 blank DSA keys
  • 12 SK6812 MINI-E LEDs for backlighting

CAD Model:

Everything is fitted together with 6 M3 bolts and heatset inserts. The PCB sits in flush with the case but there is 1 M3 screw hole if you'd like to secure it to your own case.

It's in 2 parts, 1 part for the body and another for the cover. EmptyCase Made in Onshape At a later time a seperate PCB will be used to fill the top portion of the case. More RGB LEDs will be used to light up the eye cutouts and a OLED screen will go inside the mouth just as the series depicts it.

PCB:

The PCB was made in KiCAD, The silkscreen was imported from a Figma image.

Schematic

Schematic

PCB

PCB 3DPCB

Finished Product

Once you've printed everything and inserted/soldered all of the components, the result should look like this! (With keycaps of your choice of course 😅) Product

Firmware Overview:

This hackpad uses QMK firmware.

  • To turn on/off the RGB backlighting, press and hold the top-left key and the bottom-right key together
  • All keys act as macros to be assigned to whatever you'd like.

BOM:

Here's everything you need to make this hackpad

text
-1x Seeed XIAO RP2040
-12x through-hole 1N4148 Diodes
-12x Cherry MX Switches
-12x white blank DSA keycaps
-12x SK6812 MINI-E LEDs
-6x M3x16mm screws
-6x M3x5mx4mm heatset inserts
-1x Case, All 3D Printed

Note: Fixed source file issue about the 3mf files. Changed it to steps and stls

Parts

40
QtyValueFootprintReferences
121N4148Diode_THT:D_DO-35_SOD27_P7.62mm_HorizontalD1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12
12SK6812MINI-Efootprints:SK6812MINI-E_fixedD13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24
12SW_Push_45degButton_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10, SW11, SW12
1clipboard:462f2333-586c-4cc8-b04d-9995b911b9d8
1Conn_01x06_SocketConnector_JST:JST_PH_S6B-PH-K_1x06_P2.00mm_HorizontalJ1
1MOUDLE-SEEEDUINO-XIAOfootprints:XIAO-Generic-Hybrid-14P-2.54-21X17.8MMU1

The 39 most common of 40 parts.

Questions

How big is the Bv PCB PCB?

It measures 69.1 × 97 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Bv PCB use?

40 parts, built around the SK6812MINI-E. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Bv PCB KiCad files?

From the Ningheim/Macronark repository on GitHub, at the commit this page was made from: the board is PCB/bv_PCB.kicad_pcb and its schematic PCB/bv_PCB.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Bv PCB design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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