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4 layers299 × 127 mmLaunch iso, the printed circuit board in 3D

System76 Launch Configurable Keyboard

Size
299 × 127 mm
Copper layers
4
Thickness
1.6 mm
Parts
374
Nets
405
Pads
1,987
Tracks, vias
3,499, 723
Pours
363
Routed
Yes
KiCad
KiCad 6 (file 20211014)
Created
5 Dec 2019
Updated
2 Jul 2025

Overview

Launch iso 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 4-layer board of 299 × 127 mm with 374 parts on 405 nets, routed with 3,499 tracks and 723 vias.

It is built around the AT90USB646-MUR, CBTL02043ABQ,115 and PTN5110NHQZ, with the MT3410LB, USB7006T/KDX and USBLC6-2SC6 among its other parts. Its parts include 70 capacitors, 51 diodes, 34 resistors, 24 ICs and 8 connectors. It belongs with the keyboards and input boards and the AVR (ATmega, ATtiny) boards of this library.

Main components

12

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

374
QtyValueFootprintReferences
85CPG151101S11Kailh:Kailh_socket_MXSWA0, SWA1, SWA2, SWA3, SWA4, SWA5, SWA6, SWB0, SWB1, SWB2, SWB3, SWB4, SWB5, SWC0, SWC1, SWC2 +69
85SK6805-EC15launch:LED_SK6805-EC15LA0, LA1, LA2, LA3, LA4, LA5, LA6, LB0, LB1, LB2, LB3, LB4, LB5, LC0, LC1, LC2 +69
430.1uFlaunch:C_0402_1005MetricC0, C1, C2, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22 +27
43BAV70,215launch:SOT-23D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24, D25 +27
122.2 uFCapacitor_SMD:C_0603_1608MetricC25, C26, C27, C33, C59, C60, C61, C62, C64, C65, C66, C67
1110 klaunch:R_0402_1005MetricR4, R5, R6, R7, R8, R11, R15, R23, R26, R31, R32
8PUSB3FR4Zlaunch:DFN-10_1x2.5mm_P0.5mmD1, D2, D3, D4, D5, D6, D7, D8
622 uFCapacitor_SMD:C_0805_2012MetricC32, C34, C35, C48, C49, C50
6MountingHole_Padlaunch:MountingHoleH1, H2, H5, H6, H8, H9
5AP22811AW5-7 launch:SOT-23-5U9, U10, U20, U22, U23
5DNPlaunch:R_0402_1005MetricR18, R24, R28, R33, R34
5USBLC6-2SC6Package_TO_SOT_SMD:SOT-23-6U0, U5, U7, U8, U21
4100 klaunch:R_0402_1005MetricR16, R17, R29, R30
4200 klaunch:R_0402_1005MetricR12, R13, R19, R20
4APXF6R3ARA151ME40GCapacitor_SMD:CP_Elec_5x3.9C44, C45, C46, C47
4FiducialFiducial:Fiducial_0.75mm_Mask1.5mmFID1, FID2, FID3, FID4
312401598E4#2Alaunch:USB_C_Receptacle_Amphenol_12401610E4-2AJ0, J4, J5
39.1 klaunch:R_0402_1005MetricR9, R10, R14
3CBTL02043ABQ,115launch:QFN-20-1EP_2.5x4.5mm_P0.5mm_EP1x3mmU3, U6, U15
3PTN5110NHQZlaunch:QFN-16-1EP_2.6x2.6mm_P0.4mm_EP1.1x1mmU11, U12, U13
21003-002-01100launch:USB3_A_CnC_Tech_1003-002-01100J2, J3
222launch:R_0402_1005MetricR2, R3
222pFCapacitor_SMD:C_0402_1005MetricC5, C6
2330 pFlaunch:C_0402_1005MetricC68, C69
252.3 klaunch:R_0402_1005MetricR22, R25
2DNPTestPoint:TestPoint_Loop_D1.80mm_Drill1.0mm_BeadedTP1, TP2
2MT3410LBkicad_pcb:SOT-23-5U4, U17
2SN74LVC1G08DCKRPackage_TO_SOT_SMD:SOT-353_SC-70-5U14, U19
2SRN4018TA-2R2MInductor_SMD:L_Bourns-SRN4018L1, L2
1 ECS-3225MV-250-BN-TR Oscillator:Oscillator_SMD_SeikoEpson_SG8002CE-4Pin_3.2x2.5mmX1
11 nFlaunch:C_0402_1005MetricC7
112 klaunch:R_0402_1005MetricR1
143 klaunch:R_0402_1005MetricR21
1499launch:R_0402_1005MetricR27
1AFC07-S20FCC-00launch:AFC07-S20FCC-00J7
1AP22811AW5-7‎launch:SOT-23-5U16
1AT90USB646-MURPackage_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP7.5x7.5mmU1
1DNPConnector:Tag-Connect_TC2030-IDC-FP_2x03_P1.27mm_VerticalJ1
1DNPConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalJ6
1ECS-160-18-23G-JGN-TRCrystal:Crystal_SMD_0603-2Pin_6.0x3.5mmY0
1LP5907MFX-3.3Package_TO_SOT_SMD:SOT-23-5U18
1System76LogoLogo:System76LOGO1
1USB7006T/KDXlaunch:QFN-100-1EP_12x12mm_P0.4mm_EP8x8mmU2

Questions

How big is the Launch iso PCB?

It measures 299 × 127 mm and has 4 copper layers, 1.6 mm thick.

What parts does the Launch iso use?

374 parts, built around the AT90USB646-MUR, CBTL02043ABQ,115, PTN5110NHQZ and MT3410LB. 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 iso KiCad files?

From the system76/launch repository on GitHub, at the commit this page was made from: the board is pcb-iso/launch-iso.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 iso 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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