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Chocofi

pashutk·chocofi·pcb/chocofi.kicad_pcb

Chocofi PCB layout, top view — open source board by pashutk
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About the Chocofi PCB

Chocofi is an open source PCB design by pashutk, published on GitHub under the CERN-OHL-P-2.0 license. It is a 2-layer board measuring 111.3 × 90 mm, with 50 components from 12 distinct parts.

Other key parts include the ProMicro. By type, the board carries 19 switches, 18 diodes, 8 jumpers, 3 connectors and 1 IC.

It belongs with the keyboards designs in this gallery.

From the project

Split 36-key keyboard

Keyboard shield and 3d printed case to use with Arduino ProMicro-like contoller.

- Split keyboard with 3 rows, 5 columns, and 3 thumbs per half - Increased pinky column stagger - Inspired by Fifi keyboard - Double-sided pcb (pcb can be used as left or right half) - Pro Micro compatible footprint - Easy to print, FDM-friendly two-piece case

For more photos check out the images folder

Chocofi, from the project README
From the project README

Main components on the Chocofi

ProMicro

Chocofi bill of materials (BOM)

50 components, 12 distinct parts.

QtyPartRefs
1
ProMicro
U1
1
MJ-4PP-9
J1
1
OLED
J2
1
Conn_01x02_Female
J3
2
SDA
JP6, JP61
2
GND
JP62, JP68
2
SCL
JP63, JP66
2
VCC
JP64, JP65
1
Val**
RSW1
1
SW_SPDT
SW1
18
SW_PUSH
SW2, SW3, SW4, SW5, SW6, SW8, SW9, SW10 +10
18
D
D2, D3, D4, D5, D6, D8, D9, D10 +10

Chocofi design files

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

Chocofi: common questions

How big is the Chocofi PCB?

The Chocofi measures 111.3 × 90 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Chocofi?

50 components, from 12 distinct parts. The full bill of materials is listed on this page.

Where can I download the Chocofi design files?

From the pashutk/chocofi repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Chocofi design in my own project?

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

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