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Project X

embeddedalpha·PCB-Design·Project X/Project X.kicad_pcb

Project X PCB layout, top view — open source STM32 board by embeddedalpha
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About the Project X PCB

Project X is an open source STM32 PCB design by embeddedalpha, published on GitHub under the MIT license. It is a 2-layer board measuring 74.4 × 30 mm, with 46 components from 22 distinct parts.

Its main chip is the STM32L476RCTx, from the STM32 family. Other key parts include the W25Q128JVPIQ, LT1129-3.3_SOT223 and MPU-9250. By type, the board carries 21 capacitors, 9 resistors, 4 ICs, 4 connectors, 2 crystals and 2 diodes.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

Repository for PCB Design Projects

Project X, from the project README
From the project README

Main components on the Project X

W25Q128JVPIQLT1129-3.3_SOT223STM32L476RCTxMPU-9250

Project X bill of materials (BOM)

46 components, 22 distinct parts.

QtyPartRefs
1
W25Q128JVPIQ
IC1
1
LT1129-3.3_SOT223
U1
1
STM32L476RCTx
U2
1
MPU-9250
U3
1
8MHz
Y1
1
32.768K
Y2
1
Conn_01x04
J1
2
Conn_01x26
J2, J3
1
USB_C_Plug_USB2.0
P1
2
SW_SPST
Button1, Button2
1
SW_SPST
SW1
1
VAL**
mouse-bite-2mm-slot
2
LED
D1, D2
2
3.3U
C1, C2
7
100N
C3, C4, C5, C6, C7, C8, C9
6
10N
C10, C15, C16, C18, C20, C21
4
50P
C11, C12, C13, C14
2
0.1U
C17, C19
1
1.1K
R1
1
2K
R2
Show 2 more
QtyPartRefs
5
4.7K
R3, R4, R5, R6, R7
2
1M
R8, R9

Project X design files

The KiCad project lives in the embeddedalpha/PCB-Design repository on GitHub; these links point at the commit this page was built from.

Project X: common questions

What microcontroller does the Project X use?

The Project X is built around the STM32L476RCTx, from the STM32 family.

How big is the Project X PCB?

The Project X measures 74.4 × 30 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Project X?

46 components, from 22 distinct parts. The full bill of materials is listed on this page.

Where can I download the Project X design files?

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

Can I use the Project X design in my own project?

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

Can I test firmware for the Project X 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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