HardLabs

VCU

Vaaarad07·PCB_Designs·STM32F103_VCU/VCU.kicad_pcb

VCU PCB layout, top view — open source STM32 board by Vaaarad07

About the VCU PCB

VCU is an open source STM32 PCB design by Vaaarad07, published on GitHub under the MIT license. It is a 2-layer board measuring 81.8 × 80.2 mm, with 71 components from 26 distinct parts.

Its main chip is the STM32F103C8Tx, from the STM32 family. Other key parts include the MCP2551-I-SN, AMS1117-3.3, ACS712xLCTR-20A and LM7805_TO220. By type, the board carries 21 connectors, 18 capacitors, 18 resistors, 5 ICs, 5 diodes and 2 LEDs.

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

From the project

A repo with STM32 based PCB designs

VCU, from the project README
From the project README

Main components on the VCU

STM32F103C8TxMCP2551-I-SNAMS1117-3.3ACS712xLCTR-20ALM7805_TO220

VCU bill of materials (BOM)

71 components, 26 distinct parts.

QtyPartRefs
1
STM32F103C8Tx
U1
1
MCP2551-I-SN
U2
1
AMS1117-3.3
U3
1
ACS712xLCTR-20A
U4
1
LM7805_TO220
U5
1
Crystal
Y1
4
Conn_01x03_Male
J1, J5, J6, J14
2
Conn_01x01_Male
J2, J3
1
Conn_01x04_Male
J4
1
Conn_01x05_Male
J7
1
Conn_01x02_Male
J8
2
Conn_01x03_Male
J9, J10
5
Conn_01x02_Male
J12, J13, J15, J16, J17
2
Conn_01x03_Male
J18, J19
2
Conn_01x04_Male
J20, J21
1
Conn_01x02_Male
J22
1
SW_Push
SW1
2
LED
3v3, 5V
5
LED
D1, D2, D3, D4, D5
6
100nF
C1, C3, C4, C5, C6, C7
Show 6 more
QtyPartRefs
5
10uF
C2, C11, C14, C15, C16
2
30pF
C8, C10
1
1uF
C9
4
22uF
C12, C13, C17, C18
3
10k
R1, R4, R5
15
1.5k
R2, R3, R6, R7, R8, R9, R10, R11 +7

VCU design files

The KiCad project lives in the Vaaarad07/PCB_Designs repository on GitHub; these links point at the commit this page was built from.

VCU: common questions

What microcontroller does the VCU use?

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

How big is the VCU PCB?

The VCU measures 81.8 × 80.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the VCU?

71 components, from 26 distinct parts. The full bill of materials is listed on this page.

Where can I download the VCU design files?

From the Vaaarad07/PCB_Designs repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the VCU design in my own project?

Yes, under the terms of its MIT license, which Vaaarad07 chose for the repository.

Can I test firmware for the VCU 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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