HardLabs

Layout board

heiso·macrolev·kicad/Rev 2.0/layout_board/layout_board.kicad_pcb

Layout board layout, top view — open source board by heiso
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About the Layout board

Layout board is an open source PCB design by heiso, published on GitHub. It is a 2-layer board measuring 309.6 × 95.3 mm, with 78 components from 4 distinct parts.

Other key parts include the GH39FKSW and CD4067BPWR. By type, the board carries 72 ICs, 5 capacitors and 1 connector.

It belongs with the keyboards designs in this gallery.

From the project

Macrolev is an open source analog keyboard powered by Hall Effect switches

I use the two prototypes shown above as my daily drivers for both coding and gaming. They work well, and the current state of the web configurator is sufficient for seamlessly switching between coding and gaming modes. The current layout of my prototypes is Mac ISO azerty (FR).

This is still a work in progress. While the prototypes are functional, building one requires a good understanding of electronics and firmware development. If you're interested in creating your own, please be aware that you'll need experience with PCB assembly, microcontroller programming, and debugging embedded…

Layout board, from the project README
From the project README

Main components on the Layout board

GH39FKSWCD4067BPWR

Layout board bill of materials (BOM)

78 components, 4 distinct parts — part numbers from the project's BOM.

QtyPartRefs
67
GH39FKSW
U0:0, U0:1, U0:2, U0:3, U0:4, U0:5, U0:6, U0:7 +59
5
CD4067BPWR
U1, U2, U3, U4, U5
1
HC-FPC-05-10-12RLTAG
J1
5
100n
C68, C69, C70, C71, C72

Layout board design files

The KiCad project lives in the heiso/macrolev repository on GitHub; these links point at the commit this page was built from.

Layout board: common questions

How big is the Layout board?

The Layout board measures 309.6 × 95.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Layout board?

78 components, from 4 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Layout board design files?

From the heiso/macrolev repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Layout board design in my own project?

The repository has no license, so all rights stay with heiso. Use it as a reference, and ask the author before reusing the design.

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