HardLabs

Cutouts

Fabian0520·Shoto

Cutouts PCB layout, top view — open source STM32 board by Fabian0520

About the Cutouts PCB

Cutouts is an open source STM32 PCB design by Fabian0520, published on GitHub. It is a 2-layer board measuring 265.2 × 79 mm, with 118 components from 19 distinct parts.

Its main chip is the STM32F303CCTx, from the STM32 family. Other key parts include the MCP1700-3302E_SOT23. By type, the board carries 49 diodes, 48 relays, 10 capacitors, 6 resistors, 2 ICs and 1 crystal.

Main components on the Cutouts

STM32F303CCTxMCP1700-3302E_SOT23

Cutouts bill of materials (BOM)

118 components, 19 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32F303CCTx
U1
1
MCP1700-3302E_SOT23
U2
1
Crystal_GND24
Y1
1
USB_C_Receptacle_USB2.0
J1
1
ASMD1206-150
Polyfuse
F1
48
KEYSW
K1, K2, K3, K4, K5, K6, K7, K8 +40
1
SMF9.0CA
D
D1
47
D
D2, D3, D4, D5, D6, D7, D8, D9 +39
1
1N4148
D49
1
4.7n
C1
5
100n
C2, C3, C4, C5, C6
1
4.7u
C7
1
22p
C8
1
22p
C9
1
100n
C10
2
5.1k
R1, R2
2
22
R3, R4
1
1.5k
R5
1
1M
R6

Cutouts design files

The KiCad project lives in the Fabian0520/Shoto repository on GitHub; these links point at the commit this page was built from.

Cutouts: common questions

What microcontroller does the Cutouts use?

The Cutouts is built around the STM32F303CCTx, from the STM32 family.

How big is the Cutouts PCB?

The Cutouts measures 265.2 × 79 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Cutouts?

118 components, from 19 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 Cutouts design files?

From the Fabian0520/Shoto repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Cutouts design in my own project?

The repository has no license, so all rights stay with Fabian0520. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Cutouts 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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