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ArmTrax

embeddedalpha·PCB-Design·LOGSX/ArmTrax.kicad_pcb

ArmTrax PCB layout, top view — open source STM32 board by embeddedalpha
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About the ArmTrax PCB

ArmTrax is an open source STM32 PCB design by embeddedalpha, published on GitHub under the MIT license. It is a board measuring 93.6 × 32 mm, with 92 components from 41 distinct parts.

Its main chip is the STM32F103C8Tx, from the STM32 family. Other key parts include the W25Q32JVSS, LT1129-3.3_SO8, MCP73113_4, TESEO-LIV3F and BGA725L6E6327FTSA1. By type, the board carries 46 capacitors, 11 inductors, 11 resistors, 10 ICs, 4 connectors and 3 crystals.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

Repository for PCB Design Projects

ArmTrax, from the project README
From the project README

Main components on the ArmTrax

W25Q32JVSSLT1129-3.3_SO8MCP73113_4TESEO-LIV3FBGA725L6E6327FTSA1SX1273PE4259B4327STM32F103C8TxDS2782

ArmTrax bill of materials (BOM)

92 components, 41 distinct parts.

QtyPartRefs
1
W25Q32JVSS
U1
1
LT1129-3.3_SO8
U2
1
MCP73113_4
U3
1
TESEO-LIV3F
U4
1
BGA725L6E6327FTSA1
U5
1
SX1273
U6
1
PE4259
U7
1
B4327
U8
1
STM32F103C8Tx
U9
1
DS2782
U10
3
Crystal_GND23
Y1, Y2, Y3
1
BATTERY CONN
J2
1
POWER IN
J3
2
SMA_Edge
J4, J5
1
SW_SPDT
SW1
3
TestPoint
TP1, TP2, TP3
1
D_Small
D1
1
LED
D2
1
1N5822
D3
2
100MHz
FB1, FB2
Show 21 more
QtyPartRefs
1
330uH
L1
6
X
L2, L4, L5, L7, L8, L9
1
5nF
L3
1
27nH
L6
7
2.2pF
C1, C2, C3, C4, C5, C46, C47
2
1uF
C6, C15
2
1pF
C7, C8
4
2.2pF
C9, C10, C11, C12
5
1nF
C13, C16, C22, C27, C29
2
22pF
C14, C19
1
330uF
C17
12
X
C20, C23, C25, C33, C35, C36, C38, C40 +4
3
120pF
C21, C32, C41
4
100nF
C24, C26, C30, C34
4
56pF
C28, C31, C37, C39
1
1K7
R1
2
4.7K
R2, R3
1
500
R4
5
1K
R5, R6, R7, R8, R9
1
10K
R10
1
0
R11

ArmTrax design files

The KiCad project lives in the embeddedalpha/PCB-Design repository on GitHub; these links point at the commit this page was built from.

ArmTrax: common questions

What microcontroller does the ArmTrax use?

The ArmTrax is built around the STM32F103C8Tx, from the STM32 family.

How big is the ArmTrax PCB?

The ArmTrax measures 93.6 × 32 mm and is 1.6 mm thick.

How many components are on the ArmTrax?

92 components, from 41 distinct parts. The full bill of materials is listed on this page.

Where can I download the ArmTrax design files?

From the embeddedalpha/PCB-Design repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the ArmTrax design in my own project?

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

Can I test firmware for the ArmTrax 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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