HardLabs

TheFalcon Left

Matthew-Hammon·TheFalcon·PCB/TheFalcon_Panel/TheFalcon_Left/TheFalcon_Left.kicad_pcb

TheFalcon Left PCB layout, top view — open source STM32 board by Matthew-Hammon

About the TheFalcon Left PCB

TheFalcon Left is an open source STM32 PCB design by Matthew-Hammon, published on GitHub under the MIT license. It is a 4-layer board measuring 173.3 × 142.5 mm, with 168 components from 28 distinct parts.

Its main chip is the C529355, from the STM32 family. Other key parts include the C2940549, C29780639 and C6186. By type, the board carries 38 switches, 37 diodes, 24 resistors, 17 capacitors, 7 connectors and 5 ICs.

It belongs with the keyboards designs in this gallery.

From the project

This is a project that was inspired by ZSA's Moonlander and Voyager split keyboards. I loved how they looked and with my move to a keyboard-driven workflow, I decided that I needed to make the move. I started second-guessing myself when I saw the price, as I was a student, and I

This is a project that was inspired by ZSA's Moonlander and Voyager split keyboards. I loved how they looked and with my move to a keyboard-driven workflow, I decided that I needed to make the move. I started second-guessing myself when I saw the price, as I was a student, and I came to the realisation that I had the skills to design one.

Main components on the TheFalcon Left

C2940549C29780639C6186C529355

TheFalcon Left bill of materials (BOM)

168 components, 28 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
C2940549
IS31FL3729-QFLS4-TR
IC1
2
C29780639
USBLC6-2P6
U2, U3
1
C6186
AMS1117-3.3
U4
1
C529355
STM32G431CBTx
U6
1
C12668
X322516MOB4SI
Y1
6
Conn_01x01
J1, J3, J4, J5, J6, J7
1
Conn_01x04_Pin
J2
1
C20798
500mA
F1
36
T36K3BGR-05D000121U1930
RGB1, RGB2, RGB3, RGB4, RGB5, RGB6, RGB7, RGB8 +28
34
Keyswitch
S1, S2, S3, S4, S5, S6, S7, S8 +26
2
Keyswitch
S35, S36
2
C720477
SW_Push
SW1, SW2
2
C2988369
USB_C_Receptacle_USB2.0_16P
USB1, USB2
36
C81598
Diode
D1, D2, D3, D4, D5, D6, D7, D8 +28
1
C84256
LED
D39
1
C15850
10u
C1
8
C1525
100n
C2, C3, C4, C5, C8, C9, C12, C14
1
C15195
10n
C6
3
C15849
1u
C7, C13, C17
2
C12891
22u
C10, C11
Show 8 more
QtyPartRefs
2
C32949
10p
C15, C16
4
C23186
5k1
R1, R2, R3, R4
1
C25803
100k
R5
1
C25804
10k
R6
10
C22950
20
R9, R10, R12, R14, R15, R17, R18, R20 +2
5
C17738
51
R11, R13, R16, R19, R22
2
C23162
4k7
R24, R33
1
C22843
1k5
R25

TheFalcon Left design files

The KiCad project lives in the Matthew-Hammon/TheFalcon repository on GitHub; these links point at the commit this page was built from.

TheFalcon Left: common questions

What microcontroller does the TheFalcon Left use?

The TheFalcon Left is built around the C529355, from the STM32 family.

How big is the TheFalcon Left PCB?

The TheFalcon Left measures 173.3 × 142.5 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the TheFalcon Left?

168 components, from 28 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the TheFalcon Left design files?

From the Matthew-Hammon/TheFalcon repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

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

Yes, under the terms of its MIT license, which Matthew-Hammon chose for the repository.

Can I test firmware for the TheFalcon Left without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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