Base

cuspaceflight·m3-avionics·m3base/base.kicad_pcb

Base PCB layout, top view — open source STM32 board by cuspaceflight
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About the Base PCB

Base is an open source STM32 PCB design by cuspaceflight, published on GitHub. It is a 2-layer board measuring 40 × 33 mm, with 45 components from 26 distinct parts.

Its main chip is the STM32F405RxTx, from the STM32 family. Other key parts include the MCP2562. By type, the board carries 13 capacitors, 12 connectors, 12 diodes, 5 resistors, 2 ICs and 1 crystal.

From the project

Martlet 3 Avionics

This repository contains all the avionics for Martlet 3, including system design, documentation, schematics, PCBs, and firmware.

Main components on the Base

Base bill of materials (BOM)

45 components, 26 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32F405RxTx
IC1
1
MCP2562
IC2
1
26MHz
Y1
1
WEST TOP
J1
1
EAST TOP
J2
1
PYRO1
J5
1
PYRO3
J6
1
ARM
J7
1
PYRO2
J8
1
PYRO4
J9
1
PWR
J10
1
CHG
J11
1
CAM
J12
1
USB
J13
1
SWD_TC
P1
12
ESD_DIODE
D1, D2, D3, D4, D5, D6, D7, D8 +4
7
100n
C1, C7, C8, C11, C12, C13, C16
2
10p
C2, C3
2
2u2
C4, C5
1
1u
C6
Show 6 more
QtyPartRefs
1
4u7
C15
1
100R
R1
1
4K7
R2
1
10K
R3
1
1K
R4
1
120R
R5

Base design files

The KiCad project lives in the cuspaceflight/m3-avionics repository on GitHub; these links point at the commit this page was built from.

Base: common questions

What microcontroller does the Base use?

The Base is built around the STM32F405RxTx, from the STM32 family.

How big is the Base PCB?

The Base measures 40 × 33 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Base?

45 components, from 26 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 Base design files?

From the cuspaceflight/m3-avionics repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Base design in my own project?

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

Can I test firmware for the Base 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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