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ErgoSNM Keyboard

siderakb·ergo-snm-keyboard·ErgoSNM_Keyboard/rev1/ErgoSNM_keyboard.kicad_pcb

ErgoSNM Keyboard PCB layout, top view — open source board by siderakb
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About the ErgoSNM Keyboard PCB

ErgoSNM Keyboard is an open source PCB design by siderakb, published on GitHub under the CERN-OHL-P-2.0 license. It is a 2-layer board measuring 174.5 × 138.6 mm, with 85 components from 10 distinct parts.

By type, the board carries 35 diodes, 6 connectors, 4 switches and 3 resistors.

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

From the project

ErgoSNM is a split ergonomic keyboard integrated with trackball, wireless is in beta

ErgoSNM \- a split ergonomic keyboard integrated with a trackball, designed to encourage people to leave their mouse behind.

- 64 keys in total. - Left half 29 + 6 keys. - Right half 29 keys + trackball. - Cherry MX style switches, hot-swap available. - USB Type-C. - Column-staggered layout. - The trackball can replace all mouse operations, allowing your right hand to stay on the home row. - Cursor movement and scrolling. - With the Combos feature: - J+K performs the left click - K+L performs the right click - J+L performs the middle click.

ErgoSNM Keyboard, from the project README
From the project README

ErgoSNM Keyboard bill of materials (BOM)

85 components, 10 distinct parts.

QtyPartRefs
2
Conn_01x13
J1, J2
1
Conn_01x03
J3
1
Conn_01x08
J4
2
Conn_01x07
J5, J6
35
SW_Push_45deg
KEY1, KEY2, KEY3, KEY4, KEY5, KEY6, KEY7, KEY8 +27
2
RESET
SW1, SW2
2
SW_2P2T
SW3, SW4
2
PJ-393_TRRS_8P
TRRS1, TRRS2
35
1N4148
D1, D2, D3, D4, D5, D6, D7, D8 +27
3
4.7k
R1, R2, R3

ErgoSNM Keyboard design files

The KiCad project lives in the siderakb/ergo-snm-keyboard repository on GitHub; these links point at the commit this page was built from.

ErgoSNM Keyboard: common questions

How big is the ErgoSNM Keyboard PCB?

The ErgoSNM Keyboard measures 174.5 × 138.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the ErgoSNM Keyboard?

85 components, from 10 distinct parts. The full bill of materials is listed on this page.

Where can I download the ErgoSNM Keyboard design files?

From the siderakb/ergo-snm-keyboard repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the ErgoSNM Keyboard design in my own project?

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

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