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Lancer hotswap

subrezon·lancer·pcb-hotswap/lancer-hotswap.kicad_pcb

Lancer hotswap PCB layout, top view — open source board by subrezon

About the Lancer hotswap PCB

Lancer hotswap is an open source PCB design by subrezon, published on GitHub under the MIT license. It is a 2-layer board measuring 209.6 × 76.2 mm, with 88 components from 9 distinct parts.

Other key parts include the ProMicro_Flipped. By type, the board carries 38 switches, 36 diodes and 1 IC.

It belongs with the keyboards designs in this gallery.

From the project

The Lancer is a 36-key ortholinear keyboard with a light split and a focus on compact footprint and portability. It is a direct successor to la_nc, and is very much inspired by other keyboards like Planck, Lumberjack and Lesovoz.

The Lancer is a 36-key ortholinear keyboard with a light split and a focus on compact footprint and portability. It is a direct successor to la_nc, and is very much inspired by other keyboards like Planck, Lumberjack and Lesovoz.

- Width of just 11U, the smallest possible with 10 columns and a top-mounted Pro Micro - More focused thumb row, featuring 6 easily accessible keys - Powered by a Pro Micro or any other compatible MCU board - Hotswap sockets in south-facing orientation - Integrated battery support with a power switch - Native 3-wire SPI for nice!view support without any bodge wires…

Lancer hotswap, from the project README
From the project README

Main components on the Lancer hotswap

ProMicro_Flipped

Lancer hotswap bill of materials (BOM)

88 components, 9 distinct parts.

QtyPartRefs
1
ProMicro_Flipped
U1
8
MountingHole
H1, H2, H3, H4, H5, H6, H7, H8
2
MountingHole
H9, H10
2
MountingHole_Pad
H11, H12
1
nice!view
O1
36
SW_Push
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +28
1
SW_SPDT
SW37
1
SW_Push
SW38
36
D_Small
D1, D2, D3, D4, D5, D6, D7, D8 +28

Lancer hotswap design files

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

Lancer hotswap: common questions

How big is the Lancer hotswap PCB?

The Lancer hotswap measures 209.6 × 76.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Lancer hotswap?

88 components, from 9 distinct parts. The full bill of materials is listed on this page.

Where can I download the Lancer hotswap design files?

From the subrezon/lancer repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Lancer hotswap design in my own project?

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

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