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SP56 Bottom

ericrlau·SP56·PCB/SP56_Bottom/SP56_Bottom.kicad_pcb

SP56 Bottom PCB layout, top view — open source board by ericrlau

About the SP56 Bottom PCB

SP56 Bottom is an open source PCB design by ericrlau, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 134.8 × 98.3 mm, with 8 components from 1 distinct parts.

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

From the project

Bluetooth low engery keyboard. Layout based on Sofle keyboard with some modifications. NRF52840 powered. Designed around Kaihl Choc switches and spacing.

- See ZMK docs for instructions on setting up ZMK and custimizing firmware. https://zmkfirmware.dev/docs/user-setup/ https://zmkfirmware.dev/docs/customization - Default *.uf2 files are pre-loaded on assembled pcbs. If you sourced and assembled your own pcb, you can file deafult pre-built firmware here: - https://github.com/ericrlau/COBO-zmk-config/releases

SP56 Bottom, from the project README
From the project README

SP56 Bottom bill of materials (BOM)

8 components, 1 distinct parts.

QtyPartRefs
8
MountingHole_Pad
H1, H2, H3, H4, H5, H6, H7, H8

SP56 Bottom design files

The KiCad project lives in the ericrlau/SP56 repository on GitHub; these links point at the commit this page was built from.

SP56 Bottom: common questions

How big is the SP56 Bottom PCB?

The SP56 Bottom measures 134.8 × 98.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the SP56 Bottom?

8 components, from 1 distinct parts. The full bill of materials is listed on this page.

Where can I download the SP56 Bottom design files?

From the ericrlau/SP56 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the SP56 Bottom design in my own project?

Yes, under the terms of its CC-BY-SA-4.0 license, which ericrlau chose for the repository.

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