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Split-K

Naivedya-sahu·Split-K

Split-K PCB layout, top view — open source board by Naivedya-sahu

About the Split-K PCB

Split-K is an open source PCB design by Naivedya-sahu, published on GitHub. It is a 2-layer board measuring 135.4 × 109.2 mm, with 108 components from 2 distinct parts.

By type, the board carries 54 switches and 54 diodes.

It belongs with the keyboards designs in this gallery.

From the project

Split Keyboard handwwired with raspberry pi pico as mcu

A custom handwired split ergonomic keyboard designed using Ergogen for layout generation and 3D-printed enclosures. This project explores ergonomic keyboard layout design, 3D-printable case modeling, and handwired matrix construction with a Raspberry Pi Pico.

Split-K is a 6x4 split keyboard with 3 thumb keys per side, using Cherry MX-compatible switches and a Raspberry Pi Pico microcontroller. The key layout and board outline are generated via Ergogen, and the case is fully 3D-printed. The keyboard is handwired — no custom PCB, just direct wiring of the switch matrix to the controller.

Split-K bill of materials (BOM)

108 components, 2 distinct parts.

QtyPartRefs
54
MX1A-11NN
S1, S2, S3, S4, S5, S6, S7, S8 +46
54
1N4148
D1, D2, D3, D4, D5, D6, D7, D8 +46

Split-K design files

The KiCad project lives in the Naivedya-sahu/Split-K repository on GitHub; these links point at the commit this page was built from.

Split-K: common questions

How big is the Split-K PCB?

The Split-K measures 135.4 × 109.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Split-K?

108 components, from 2 distinct parts. The full bill of materials is listed on this page.

Where can I download the Split-K design files?

From the Naivedya-sahu/Split-K repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Split-K design in my own project?

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

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