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2 layers142.9 × 109.5 mmGummyKey Left, the printed circuit board in 3D

GummyKey Left

gumorr/GummyKey

a split keyboard that i made

Size
142.9 × 109.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
69
Nets
51
Pads
305
Tracks, vias
418, 43
Pours
1
Routed
Yes
KiCad
KiCad 6 (file 20211014)
Created
27 Jan 2023
Updated
27 Jan 2023

Overview

GummyKey Left is an open-source printed circuit board by gumorr, from the gumorr/GummyKey repository on GitHub, published under the MIT licence. It is a 2-layer board of 142.9 × 109.5 mm with 69 parts on 51 nets, routed with 418 tracks and 43 vias.

Its parts include 30 switches, 29 diodes, 2 resistors, 1 IC and 1 connector. It belongs with the keyboards and input boards and the AVR (ATmega, ATtiny) boards of this library.

README

README.md

GummyKey

a split keyboard that i made

image

How to build

im too lazy to write a comprehensive build guide, so just know a lot of the steps in building a solfe keyboard will apply to this

BOM

Parts

69
QtyValueFootprintReferences
29DDiode_SMD:D_SOD-123D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +13
25SW_PushSwitch_Keyboard_Hotswap_Kailh:SW_Hotswap_Kailh_MX_1.00uK1, K2, K10, K11, K12, K14, K15, K16, K17, K18, K20, K21, K22, K23, K24, K26 +9
4HOLEGummyKey:M2_HoleTH3, TH3, TH3, TH3
3SW_PushSwitch_Keyboard_Hotswap_Kailh:SW_Hotswap_Kailh_MX_1.25uK13, K19, K25
24.7kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR1, R2
1LOGOGummyKey:Cat_LogoG***
1MJ-4PP-9GummyKey:MJ-4PP-9J1
1ProMicroGummyKey:ProMicroU1
1SW_PushGummyKey:Reset_SwitchSW1
1SW_PushSwitch_Keyboard_Hotswap_Kailh:SW_Hotswap_Kailh_MX_2.25uK28

The 68 most common of 69 parts.

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Questions

How big is the GummyKey Left PCB?

It measures 142.9 × 109.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the GummyKey Left use?

69 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the GummyKey Left KiCad files?

From the gumorr/GummyKey repository on GitHub, at the commit this page was made from: the board is pcbs/left/GummyKey_Left.kicad_pcb and its schematic pcbs/left/GummyKey_Left.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the GummyKey Left design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).