HardLabs

Splitty

NizaOS·Splitty·SplittyPCB/Splitty.kicad_pcb

Splitty PCB layout, top view — open source Nordic nRF board by NizaOS

About the Splitty PCB

Splitty is an open source Nordic nRF PCB design by NizaOS, published on GitHub. It is a 2-layer board measuring 232.7 × 96.3 mm, with 86 components from 5 distinct parts.

Its main chip is the XIAO-nRF52840-SMD, from the Nordic nRF family. By type, the board carries 40 switches, 40 diodes, 2 ICs and 2 resistors.

It belongs with the keyboards, iot & wireless and power & battery designs in this gallery.

From the project

Keyboard splitted in half with 20 keys each

Splitty, from the project README
From the project README

Main components on the Splitty

XIAO-nRF52840-SMD

Splitty bill of materials (BOM)

86 components, 5 distinct parts — part numbers from the project's BOM.

QtyPartRefs
2
XIAO-nRF52840-SMD
U1, U2
2
R
2M1, 806K1
40
SW_Push_45deg
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +32
40
D
D1, D2, D3, D4, D5, D6, D7, D8 +32
2
R
R2, R4

Splitty design files

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

Splitty: common questions

What microcontroller does the Splitty use?

The Splitty is built around the XIAO-nRF52840-SMD, from the Nordic nRF family.

How big is the Splitty PCB?

The Splitty measures 232.7 × 96.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Splitty?

86 components, from 5 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 Splitty design files?

From the NizaOS/Splitty 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 Splitty design in my own project?

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

Can I test firmware for the Splitty without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Nordic nRF firmware against it before you order a PCB.

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