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Achroma Choc

XinyiC222·Achroma·Project Files/Kicad/Achroma_Choc/Achroma_Choc.kicad_pcb

Achroma Choc PCB layout, top view — open source board by XinyiC222

About the Achroma Choc PCB

Achroma Choc is an open source PCB design by XinyiC222, published on GitHub under the MIT license. It is a 2-layer board measuring 116.6 × 99.4 mm, with 57 components from 6 distinct parts.

By type, the board carries 18 LEDs, 18 diodes and 2 switches.

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

From the project

Wireless split keyboard with 36 keys. Low profile/MX and hot swapable.

Achroma is a wireless reversible split keyboard with 36 keys that is powered by ZMK. It uses a nine!nano v2 replica from aliexpress. There are two versions of Achroma, the Choc/Choc_v2 compatible one, and the MX compatible one! This is still a work in progress. Theres only a case for the MX version. But there are two different pcb designs based on which one you want to use. Here is the ZMK source files: https://github.com/XinyiC222/zmk-achroma-config I made this after seeing countless split keyboard builds that people where making online and I wanted to join in on the fun! To use it you just…

Achroma Choc, from the project README
From the project README

Achroma Choc bill of materials (BOM)

57 components, 6 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
Conn_01x02_Socket
Battery1
18
choc_v1_SW_HS
CH1, CH2, CH3, CH4, CH5, CH6, CH7, CH8 +10
1
RESET
SW1
1
SW_SPDT_312
SW2
18
SK6812MINI-E
LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8 +10
18
1N4148
D1, D2, D3, D4, D5, D6, D7, D8 +10

Achroma Choc design files

The KiCad project lives in the XinyiC222/Achroma repository on GitHub; these links point at the commit this page was built from.

Achroma Choc: common questions

How big is the Achroma Choc PCB?

The Achroma Choc measures 116.6 × 99.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Achroma Choc?

57 components, from 6 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 Achroma Choc design files?

From the XinyiC222/Achroma 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 Achroma Choc design in my own project?

Yes, under the terms of its MIT license, which XinyiC222 chose for the repository.

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