HardLabs

PCB COM

MOAalpha·2425_Projet1AB_SIMU4DX·Hardware/PCB_Com/PCB_COM.kicad_pcb

PCB COM layout, top view — open source STM32 board by MOAalpha

About the PCB COM

PCB COM is an open source STM32 PCB design by MOAalpha, published on GitHub. It is a 4-layer board measuring 42 × 42 mm, with 40 components from 17 distinct parts.

Its main chip is the STM32G474RETx, from the STM32 family. Other key parts include the AZ1117CH2-3.3TRG1 and USBLC6-2SC6. By type, the board carries 15 resistors, 11 capacitors, 6 connectors, 3 ICs, 3 diodes and 2 switches.

From the project

A super nice projet

L'objectif de ce projet est de reconstituer un simulateur de voiture permettant de ressentir les vraies sensations de conduite, avec un frein à retour de force et 4 pieds movibles.

On s'inspire du projet : https://github.com/ChrGri/DIY-Sim-Racing-FFB-Pedal

La base ayant déjà été faite, on souhaite modifier le châssis et les pédales de frein afin d'augmenter la sensation de conduire une véritable voiture.

PCB COM, from the project README
From the project README

Main components on the PCB COM

STM32G474RETxAZ1117CH2-3.3TRG1USBLC6-2SC6

PCB COM bill of materials (BOM)

40 components, 17 distinct parts.

QtyPartRefs
1
STM32G474RETx
U1
1
AZ1117CH2-3.3TRG1
U2
1
USBLC6-2SC6
USBLC6-2SC6
U3
5
USB_C_Receptacle_USB2.0_14P
J1, J2, J4, J5, J6
1
629722000214
J3
2
SW_Push
SW1, SW2
2
LED_RED
D1, D3
1
LED_GREEN
D2
1
4u7
C1
7
100n
C2, C3, C4, C6, C7, C8, C9
1
10n
C5
1
10u
C10
1
22u
C11
2
10k
R1, R2
3
1k
R3, R12, R13
8
330
R4, R5, R6, R7, R8, R9, R10, R11
2
5k1
R14, R15

PCB COM design files

The KiCad project lives in the MOAalpha/2425_Projet1AB_SIMU4DX repository on GitHub; these links point at the commit this page was built from.

PCB COM: common questions

What microcontroller does the PCB COM use?

The PCB COM is built around the STM32G474RETx, from the STM32 family.

How big is the PCB COM?

The PCB COM measures 42 × 42 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the PCB COM?

40 components, from 17 distinct parts. The full bill of materials is listed on this page.

Where can I download the PCB COM design files?

From the MOAalpha/2425_Projet1AB_SIMU4DX repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the PCB COM design in my own project?

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

Can I test firmware for the PCB COM 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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