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2 layers124 × 85.9 mmLets split, the printed circuit board in 3D

a custom remake of the lets split keyboard pcb

Size
124 × 85.9 mm
Copper layers
2
Thickness
1.6 mm
Parts
60
Nets
55
Pads
280
Tracks, vias
448, 1
Pours
2
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
3 Jul 2021
Updated
3 Jul 2021

Overview

Lets split is an open-source printed circuit board by SirEelBiscuits, from the SirEelBiscuits/lets-split repository on GitHub. It is a 2-layer board of 124 × 85.9 mm with 60 parts on 55 nets, routed with 448 tracks and 1 via.

Its parts include 25 switches, 24 diodes, 3 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

lets-split

a custom remake of the lets split keyboard pcb

PCB designed to match this case.

Uses the QMK firmware, my fork of which is here: https://github.com/SirEelBiscuits/qmk_firmware/tree/garnet

As yet, keyboard and keymap are not merged upstream.

Parts

60
QtyValueFootprintReferences
24D_SmallDiode_THT:D_DO-35_SOD27_P7.62mm_HorizontalD1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +8
29.1kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR1, R2
1220Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR3
1Jack Obversed JumperJumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mmJP2
1Jack Reversed JumperJumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mmJP1
1Key_Akeyswitches:SW_MX_reversibleSW8
1Key_Altkeyswitches:SW_MX_reversibleSW21
1Key_Bkeyswitches:SW_MX_reversibleSW18
1Key_Ckeyswitches:SW_MX_reversibleSW16
1Key_Ctrlkeyswitches:SW_MX_reversibleSW19
1Key_Dkeyswitches:SW_MX_reversibleSW10
1Key_Ekeyswitches:SW_MX_reversibleSW4
1Key_Esckeyswitches:SW_MX_reversibleSW7
1Key_Fkeyswitches:SW_MX_reversibleSW11
1Key_Fnkeyswitches:SW_MX_reversibleSW22
1Key_Gkeyswitches:SW_MX_reversibleSW12
1Key_Qkeyswitches:SW_MX_reversibleSW2
1Key_Rkeyswitches:SW_MX_reversibleSW5
1Key_Raisekeyswitches:SW_MX_reversibleSW23
1Key_Skeyswitches:SW_MX_reversibleSW9
1Key_Shiftkeyswitches:SW_MX_reversibleSW13
1Key_Spacekeyswitches:SW_MX_reversibleSW24
1Key_Tkeyswitches:SW_MX_reversibleSW6
1Key_Tabkeyswitches:SW_MX_reversibleSW1
1Key_Vkeyswitches:SW_MX_reversibleSW17
1Key_Wkeyswitches:SW_MX_reversibleSW3
1Key_Winkeyswitches:SW_MX_reversibleSW20
1Key_Xkeyswitches:SW_MX_reversibleSW15
1Key_Zkeyswitches:SW_MX_reversibleSW14
1ProMicropromicro:ProMicroU1
1ResetButton_Switch_THT:SW_PUSH_6mm_H4.3mmSW25
1USB_C_Receptacle_USB2.0custom-footprints:USB_C_GCT_USB4085J1

The 56 most common of 60 parts.

Questions

How big is the Lets split PCB?

It measures 124 × 85.9 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Lets split use?

60 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 Lets split KiCad files?

From the SirEelBiscuits/lets-split repository on GitHub, at the commit this page was made from: the board is lets-split.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Lets split design in my own project?

Its repository states no licence, so its author keeps all rights: ask SirEelBiscuits before reusing the design.

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