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Core

floookay·barnacle·pcb/core/versatile/core.kicad_pcb

Core PCB layout, top view — open source board by floookay
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About the Core PCB

Core is an open source PCB design by floookay, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 79.3 × 78.9 mm, with 26 components from 5 distinct parts.

By type, the board carries 13 switches, 10 diodes and 3 connectors.

It belongs with the keyboards designs in this gallery.

From the project

The barnacle is unibody ortho keyboard with an Alice-like split on the pinky columns, a fixed layout that's compatible with keycap base kits and a modular middle piece.

The shell has a fixed layout with hotswap sockets as well as RGB underglow und per key RBG leds.

You can use any core pcb with a shell. They are smaller than 100mmx100mm so it's relativly cheap to get a small batch made.

This is a great starting point if you want to experiment with different layouts and don't care too much about hot swap ability.

The following configurations are supported: - 9 keys - 3 keys and a encoder with a big knob - 3 keys and a 0.96"/1.3" OLED screen - 2 small encoders, 1 key and a 0.96" OLED screen - a central encoder with the biggest knob

Core, from the project README
From the project README

Core bill of materials (BOM)

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

QtyPartRefs
2
CONN_01X11
Conn_01x11
J1, J2
1
CONN_01X04
Conn_01x04
J3
9
SW_PUSH_45DEG
SW_Push_45deg
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +1
4
RotaryEncoder_Switch
SW10, SW11, SW12, SW13
10
D
D1, D2, D3, D4, D5, D6, D7, D8 +2

Core design files

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

Core: common questions

How big is the Core PCB?

The Core measures 79.3 × 78.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Core?

26 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 Core design files?

From the floookay/barnacle 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 Core design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which floookay chose for the repository.

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