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Usb2most

smartgauges·usb2most·hardware-v3/usb2most.kicad_pcb

Usb2most PCB layout, top view — open source STM32 board by smartgauges
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About the Usb2most PCB

Usb2most is an open source STM32 PCB design by smartgauges, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 100 × 100 mm, with 130 components from 39 distinct parts.

Its main chip is the STM32F413VGTx, from the STM32 family. Other key parts include the TJA1051T-3, TJA1021T, KF33BD-TR, LMR14206 and MCP2515-xST. By type, the board carries 61 capacitors, 34 resistors, 14 ICs, 9 diodes, 5 connectors and 3 crystals.

It belongs with the usb & debug tools designs in this gallery.

From the project

USB to MOST adapter

Interfaces: - 8 audio channels(16bit/48kHz) over MOST bus - 2 audio channels(16bit/48kHz) over USB - 4 CAN for HS/HS" and MS/MS" - 1 LIN for analogue watch - 1 UART for CANBUS emulation

Usb2most, from the project README
From the project README

Main components on the Usb2most

STM32F413VGTxTJA1051T-3TJA1021TKF33BD-TRLMR14206MCP2515-xSTos8104aCPC1002N

Usb2most bill of materials (BOM)

130 components, 39 distinct parts.

QtyPartRefs
1
STM32F413VGTx
U1
4
TJA1051T-3
U2, U3, U4, U14
1
TJA1021T
U5
2
KF33BD-TR
U6, U10
1
LMR14206
U7
1
MCP2515-xST
U8
1
os8104a
U9
3
CPC1002N
U11, U12, U13
1
8M
Y1
1
16M
Y2
1
18,432M
Y3
1
Conn_01x20_Female
J1
1
totx147
J2
1
1-1394640-1
J5
1
USB_B_Micro
J6
1
Conn_01x03_Male
J7
1
PROG
SW1
1
RST
SW2
1
P6SMB30A
D1
3
KP-3216
D2, D6, D9
Show 19 more
QtyPartRefs
2
PMEG6010CEJ
D3, D5
1
ESDA6V1BC6
D4
2
P6SMB6.8A
D7, D8
2
VLP8040T-330M
L1, L2
2
10p
C1, C2
35
100n
C3, C6, C7, C9, C10, C13, C16, C21 +27
4
22p
C4, C5, C18, C19
14
10u
C8, C11, C12, C17, C20, C23, C29, C34 +6
1
220n
C14
2
1u
C15, C32
2
2.2u
C37, C39
1
1n
C56
11
33k
R1, R2, R3, R9, R10, R25, R29, R30 +3
8
1k
R5, R6, R12, R14, R15, R16, R32, R35
2
150
R7, R8
1
5,49k
R11
8
60R
R13, R17, R20, R21, R22, R23, R27, R28
3
2.2k
R24, R33, R34
1
3.32k
R38

Usb2most design files

The KiCad project lives in the smartgauges/usb2most repository on GitHub; these links point at the commit this page was built from.

Usb2most: common questions

What microcontroller does the Usb2most use?

The Usb2most is built around the STM32F413VGTx, from the STM32 family.

How big is the Usb2most PCB?

The Usb2most measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Usb2most?

130 components, from 39 distinct parts. The full bill of materials is listed on this page.

Where can I download the Usb2most design files?

From the smartgauges/usb2most repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Usb2most design in my own project?

Yes, under the terms of its GPL-3.0 license, which smartgauges chose for the repository.

Can I test firmware for the Usb2most 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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