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Custom mcu boards

abishek-bupathi·custom-mcu-boards·STM32F1-BMGP/Design/stm32f1.kicad_pcb

Custom mcu boards PCB layout, top view — open source STM32 board by abishek-bupathi

About the Custom mcu boards PCB

Custom mcu boards is an open source STM32 PCB design by abishek-bupathi, published on GitHub. It is a 2-layer board measuring 40.9 × 32.5 mm, with 31 components from 18 distinct parts.

Its main chip is the STM32F103C8TX, from the STM32 family. Other key parts include the AMS1117-3.3. By type, the board carries 13 capacitors, 8 resistors, 4 connectors, 2 ICs, 1 crystal and 1 switch.

From the project

Designing Microcontroller PCBs from scratch using KiCAD

Custom mcu boards, from the project README
From the project README

Main components on the Custom mcu boards

STM32F103C8TXAMS1117-3.3

Custom mcu boards bill of materials (BOM)

31 components, 18 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32F103C8TX
STM32F103C8Tx
STMicroelectronics
U1
1
AMS1117-3.3
Advanced Monolithic Systems
U2
1
CRYSTAL_GND24
16MHz
Seiko Epson
Y1
1
USB_C_RECEPTACLE_USB2.0
USB_C_Receptacle_USB2.0
Korean Hroparts Elec
J1
3
CONN_01X04_PIN
Conn_01x04_Pin
Liansheng
J2, J3, J4
1
SW_SPDT
C&K
SW1
1
RED
KINGBRIGHT
D1
1
120R
TAI-TECH
FB1
5
100N
100n
TDK
C1, C2, C3, C4, C9
1
10U
10u
TDK
C5
1
10N
10n
Darfon Elec
C6
2
1u
TDK
C7, C8
2
10P
10p
Darfon Elec
C10, C11
2
22U
22u
FH (Guangdong Fenghua Advanced Tech)
C12, C13
4
1K5
1k5
ROHM Semicon
R1, R2, R3, R8
1
10K
10k
RESI
R4
2
5K1
5k1
LIZ Elec
R5, R6
1
1M
LIZ Elec
R7

Custom mcu boards design files

The KiCad project lives in the abishek-bupathi/custom-mcu-boards repository on GitHub; these links point at the commit this page was built from.

Custom mcu boards: common questions

What microcontroller does the Custom mcu boards use?

The Custom mcu boards is built around the STM32F103C8TX, from the STM32 family.

How big is the Custom mcu boards PCB?

The Custom mcu boards measures 40.9 × 32.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Custom mcu boards?

31 components, from 18 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 Custom mcu boards design files?

From the abishek-bupathi/custom-mcu-boards 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 Custom mcu boards design in my own project?

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

Can I test firmware for the Custom mcu boards 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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