HardLabs

Stm32

eddyem·tsys01·kicad/stm32/stm32.kicad_pcb

Stm32 PCB layout, top view — open source STM32 board by eddyem

About the Stm32 PCB

Stm32 is an open source STM32 PCB design by eddyem, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 109 × 74 mm, with 90 components from 38 distinct parts.

Its main chip is the AO3407, from the STM32 family. Other key parts include the LM2576HV, LM1117-3.3, MCP2551-I/SN, 74HC4051 and STM32F042C6Tx. By type, the board carries 36 resistors, 15 connectors, 14 capacitors, 11 diodes, 9 ICs and 2 switches.

It belongs with the sensors and science & space designs in this gallery.

From the project

BTA primary mirror thermal monitoring using STM32 and TSYS01

- kicad -- hardware schematics (I2C 48-channels multiplexer & main controller board) - STM32 -- firmware sources - m-files -- m-files for Octave used in tests - src -- PC-side sources - tests -- some data with sensors' tests

Main components on the Stm32

LM2576HVLM1117-3.3MCP2551-I/SN74HC4051STM32F042C6TxTPS2051MAX471

Stm32 bill of materials (BOM)

90 components, 38 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
LM2576HV
Texas Instruments
U1
2
LM1117-3.3
U2, U3
1
MCP2551-I/SN
U4
2
74HC4051
U5, U6
1
STM32F042C6Tx
U7
1
TPS2051
U8
1
MAX471
U9
1
AO3407
Q1
1
Conn_02x04_Odd_Even
J3
8
RJ9-sensor
P2, P3, P4, P5, P6, P7, P8, P9
1
USART_BOOT
P12
1
USB_A
P13
4
Hole
P15, P16, P17, P18
1
Terminal
JP1
1
Reset
SW1
1
Boot
SW2
1
1n5822
D1
1
MM3Z7V5
D2
1
PESD1CAN
D3
1
MBRS130L
D4
Show 18 more
QtyPartRefs
1
LED0
D5
1
LED1
D6
1
USB6B1
D7
4
TVS 3v3
D8, D9, D10, D11
1
100u
L1
3
47u
C1, C2, C3
1
100u
C4
10
0.1
C5, C6, C7, C8, C9, C11, C12, C13 +2
4
47k
R1, R2, R6, R7
1
220k
R3
1
56k
R4
1
10k
R5
17
4k7
R8, R10, R11, R12, R13, R14, R15, R16 +9
1
120
R9
4
10k
R26, R27, R28, R36
2
330
R29, R30
1
2k 1%
R31
4
22
R32, R33, R34, R35

Stm32 design files

The KiCad project lives in the eddyem/tsys01 repository on GitHub; these links point at the commit this page was built from.

Stm32: common questions

What microcontroller does the Stm32 use?

The Stm32 is built around the AO3407, from the STM32 family.

How big is the Stm32 PCB?

The Stm32 measures 109 × 74 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Stm32?

90 components, from 38 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 Stm32 design files?

From the eddyem/tsys01 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 Stm32 design in my own project?

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

Can I test firmware for the Stm32 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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