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2 layers76 × 112 mmLaunch heavy, the printed circuit board in 3D

System76 Launch Configurable Keyboard

Size
76 × 112 mm
Copper layers
2
Thickness
1.59 mm
Parts
73
Nets
56
Pads
314
Tracks, vias
377, 202
Pours
27
Routed
Yes
KiCad
KiCad 6 (file 20211014)
Created
5 Dec 2019
Updated
2 Jul 2025

Overview

Launch heavy is an open-source printed circuit board by system76, from the system76/launch repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 76 × 112 mm with 73 parts on 56 nets, routed with 377 tracks and 202 vias.

It is built around the CPG151101S11, SK6805-EC15 and BAV70,215-JSM, with the AFC07-S20FCC-00 among its other parts. Its parts include 11 diodes, 10 capacitors and 1 connector. It belongs with the keyboards and input boards of this library.

Main components

4

README

README.md

System76 Launch Configurable Keyboard

The System76 Launch Configurable Keyboard is designed to provide the ultimate user controlled keyboard experience, with open source mechanical and electrical design, open source firmware and associated software, and a large number of user configuration opportunities. It is registered open source hardware with OSHWA UID US001062.

Mechanical Design

Chassis Image

Open Source Chassis

The Launch chassis is licensed CC-BY-SA-4.0 and can be viewed in the chassis folder using FreeCAD.

Milled Aluminum

The chassis is milled from two solid blocks of aluminum and powder coated to provide excellent fit and finish. Each pocket, port, and hole is designed and precisely machined so that swapping switches and plugging in cables is easy and secure for the user.

Detachable Lift Bar

The included lift bar can be magnetically secured to add 15 degrees of angle to your keyboard for ergonomics.

Innovative Layout

The layout is designed to provide a large number of remapping opportunities. The default layout can be viewed here, and the extra keys included can be viewed here.

Swappable Keycaps

The keycaps are PBT material with a dye sublimation legend and XDA profile to provide excellent feel and lifespan. Extras are provided for common replacements and color preference. An included keycap puller can be used to move and replace the keycaps.

Swappable Switches

The switches are mounted in sockets that support any RGB switch with an MX compatible footprint. Examples are the Cherry MX RGB switches and the Kailh BOX switches. Switches can be removed easily at any time with the included switch puller.

Electrical Design

PCB Image

Open Source PCB

The Launch PCB is licensed GPLv3 and can be viewed in the pcb folder using KiCad.

Integrated Dock

Launch connects to a computer using the included USB-C to USB-C cable or USB-C to USB-A cable. It supports USB 3.2 Gen 2 with speeds up to 10 Gbps with either cable, provided the computer supports these speeds. It provides 2 USB-C and 2 USB-A connectors that also support USB 3.2 Gen 2, with the 10 Gbps bandwidth shared between them on demand.

Independent RGB Lighting

Each switch has an RGB LED that is independently controlled by firmware. This allows for a number of RGB LED patterns to be selected.

N-Key Rollover

The keyboard matrix uses diodes on all intersections, providing full independent scanning of each key position.

Firmware and Software

Open Source Firmware

The Launch firmware is based on QMK, licensed GPLv2, and the latest version is linked in the firmware submodule.

Open Source Software

Projects that integrate with Launch are open source software, such as the System76 Keyboard Configurator, licensed GPLv3, and fwupd, licensed LGPLv2.1.

Easy Remapping

The keyboard can be remapped at runtime using the System76 Keyboard Configurator. This utility runs on Linux, Mac OS, and Windows.

Firmware Updates

Firmware updates are supported through the fwupd project, and are distributed using the related Linux Vendor Firmware Service. Settings are stored on EEPROM and are maintained through firmware updates.

Parts

73
QtyValueFootprintReferences
21CPG151101S11Kailh:Kailh_socket_MXSWA0, SWA1, SWA2, SWA3, SWA4, SWA5, SWB0, SWB1, SWB2, SWB3, SWB4, SWC0, SWC1, SWC2, SWC3, SWC4 +5
21SK6805-EC15launch:LED_SK6805-EC15LA0, LA1, LA2, LA3, LA4, LA5, LB0, LB1, LB2, LB3, LB4, LC0, LC1, LC2, LC3, LC4 +5
11BAV70,215Package_TO_SOT_SMD:SOT-23D9, D10, D11, D12, D13, D14, D45, D46, D47, D48, D49
10100 nFCapacitor_SMD:C_0603_1608MetricC1, C2, C3, C4, C5, C6, C7, C8, C9, C10
4FiducialFiducial:Fiducial_0.75mm_Mask1.5mmFID1, FID2, FID3, FID4
4MountingHole_Padlaunch:MountingHoleH1, H2, H3, H5
1AFC07-S20FCC-00launch:AFC07-S20FCC-00J7
1System76LogoLogo:System76LOGO1

Questions

How big is the Launch heavy PCB?

It measures 76 × 112 mm and has 2 copper layers, 1.59 mm thick.

What parts does the Launch heavy use?

73 parts, built around the CPG151101S11, SK6805-EC15, BAV70,215-JSM and AFC07-S20FCC-00. 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 Launch heavy KiCad files?

From the system76/launch repository on GitHub, at the commit this page was made from: the board is pcb-heavy/launch-heavy.kicad_pcb and its schematic pcb-heavy/launch-heavy.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Launch heavy design in my own project?

Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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