HardLabs

Board3-routed

kms254·Mustang-Dash-Test·kicad/routing/board3-routed.kicad_pcb

Board3-routed PCB layout, top view — open source STM32 board by kms254

About the Board3-routed PCB

Board3-routed is an open source STM32 PCB design by kms254, published on GitHub. It is a 4-layer board measuring 250 × 50 mm, with 140 components from 44 distinct parts.

Its main chip is the STM32H755ZIT6, from the STM32 family. Other key parts include the W25Q256JVEIQ, TPS563201DDCR, CH224K, LM74700QDBVRQ1 and FM24CL64B-GTR. By type, the board carries 60 capacitors, 40 resistors, 10 ICs, 8 LEDs, 6 switches and 2 transistors.

From the project

Today that is Board3. It arrived here as an import from EasyEDA Pro for the tooling evaluation in docs/plans/2026-07-27-001-chore-kicad-evaluation-plan.md, but that evaluation is settled: as of 2026-07-31 Kevin has moved off EasyEDA entirely, so this directory is the design, not

Today that is Board3. It arrived here as an import from EasyEDA Pro for the tooling evaluation in docs/plans/2026-07-27-001-chore-kicad-evaluation-plan.md, but that evaluation is settled: as of 2026-07-31 Kevin has moved off EasyEDA entirely, so this directory is the design, not a copy of one.

These are generated, not drawn — .kicadpcb` is the truth. See Renders for how they stay current.

Board3-routed, from the project README
From the project README

Main components on the Board3-routed

STM32H755ZIT6W25Q256JVEIQTPS563201DDCRCH224KLM74700QDBVRQ1FM24CL64B-GTRTJA1051T/3/1J

Board3-routed bill of materials (BOM)

140 components, 44 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32H755ZIT6
ST(意法半导体)
U1
1
W25Q256JVEIQ
Winbond(华邦)
U2
1
TPS563201DDCR
TI(德州仪器)
U3
1
CH224K
WCH(南京沁恒)
U4
2
LM74700QDBVRQ1
TI(德州仪器)
U5, U6
1
FM24CL64B-GTR
Infineon/CYPRESS(赛普拉斯)
U7
2
TJA1051T/3/1J
NXP(恩智浦)
U8, U9
1
—
U10
2
AO4406A
UMW(友台半导体)
Q1, Q2
1
X322525MOB4SI
25MHZ
YXC(扬兴晶振)
X1
2
WJ500V-5.08-2P
KANGNEX(康奈克斯电气)
P1, P2
1
DC-005-A250
XUNPU
DC1
3
5034802000
MOLEX
FPC1, FPC2, FPC3
2
PZ254V-11-02P
XFCN(兴飞)
H1, H3
1
—
H2
4
C5340169
hanxia
SW1, SW2, SW3, SW4
2
C5340169
hanxia
SW6, SW7
1
TYPE-C-31-M-12
韩国韩荣
USBC1
2
HL-A-3528U51GC-S1-13HL
HONGLITRONIC(Hongli Zhihui (HONGLITRONIC))
LED1, LED2
1
C516299
HONGLITRONIC(Hongli Zhihui (HONGLITRONIC))
LED3
Show 24 more
QtyPartRefs
1
HL-A-3528H203BC-S1-13HL
HONGLITRONIC(Hongli Zhihui (HONGLITRONIC))
LED4
1
HVO-3528CPXA
HONGLITRONIC(Hongli Zhihui (HONGLITRONIC))
LED5
2
HL-A-3528S35FC-S1-13HL
HONGLITRONIC(Hongli Zhihui (HONGLITRONIC))
LED6, LED7
1
HL-A-3528S31YC-S1-13HL
HONGLITRONIC(Hongli Zhihui (HONGLITRONIC))
LED8
1
USBLC6-2SC6
ST(意法半导体)
D9
1
BLM18PG121SN1D
muRata(村田)
L1
1
FNR4030S2R2MT
2.2uH
cjiang(长江微电)
L2
6
—
C1, C2, C12, C13, C14, C16
3
CL10A225KO8NNNC
2.2uF
SAMSUNG(三星)
C3, C4, C5
36
CC0603KRX7R9BB104
100nF
YAGEO(国巨)
C6, C7, C8, C9, C10, C11, C15, C17 +28
5
CL21A226MAQNNNE
22uF
SAMSUNG,SAMSUNG(三星)
C29, C30, C31, C48, C49
2
CL21A475KAQNNNE
4.7uF
SAMSUNG(三星)
C38, C39
3
CL10A105KB8NNNC
1uF
SAMSUNG(三星)
C40, C47, C50
2
CL10C180JB8NNNC
18pF
Samsung Electro-Mechanics
C41, C42
1
CL21A106KAYNNNE
10uF
SAMSUNG(三星)
C51
2
—
C57, C58
10
0603WAF1002T5E
10kΩ
UNI-ROYAL,UNI-ROYAL(厚声)
R1, R2, R4, R7, R11, R12, R13, R45 +2
1
0603WAF3302T5E
33kΩ
UNI-ROYAL(厚声)
R3
2
0603WAF4701T5E
4.7kΩ
UNI-ROYAL(厚声)
R5, R8
5
0603WAF1001T5E
1kΩ
UNI-ROYAL(厚声)
R6, R28, R29, R30, R31
7
0603WAF330JT5E
33Ω
UNI-ROYAL(厚声)
R9, R32, R33, R34, R35, R36, R37
4
ERJP06F60R4V
60.4Ω
PANASONIC
R10, R14, R15, R24
8
—
R25, R26, R27, R38, R39, R40, R44, R48
3
0603WAF1003T5E
100kΩ
UNI-ROYAL(厚声)
R41, R42, R43

Board3-routed design files

The KiCad project lives in the kms254/Mustang-Dash-Test repository on GitHub; these links point at the commit this page was built from.

Board3-routed: common questions

What microcontroller does the Board3-routed use?

The Board3-routed is built around the STM32H755ZIT6, from the STM32 family.

How big is the Board3-routed PCB?

The Board3-routed measures 250 × 50 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Board3-routed?

140 components, from 44 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 Board3-routed design files?

From the kms254/Mustang-Dash-Test repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Board3-routed design in my own project?

The repository has no license, so all rights stay with kms254. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Board3-routed 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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