HardLabs

STM32F103 DEV BOARD

laforestlabs·KiCraft·tuning_corpus/stm32-min/STM32F103_DEV_BOARD.kicad_pcb

STM32F103 DEV BOARD layout, top view — open source STM32 board by laforestlabs

About the STM32F103 DEV BOARD

STM32F103 DEV BOARD is an open source STM32 PCB design by laforestlabs, published on GitHub. It is a 2-layer board measuring 42.3 × 101.1 mm, with 20 components from 11 distinct parts.

Its main chip is the STM32F103C8T6, from the STM32 family. Other key parts include the AMS1117-3.3. By type, the board carries 9 capacitors, 4 resistors, 2 ICs, 2 connectors, 2 switches and 1 crystal.

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

From the project

KiCad PCB automation toolkit — placement, routing, scoring, and experiment management

KiCad PCB automation toolkit — automated placement, routing, scoring, and experiment management for KiCad projects via the pcbnew Python API.

KiCraft is a multi-layer pipeline. Top-down:

1. KiCraft (Claude Code skill + Python helpers) -- turns a natural- language project description into the hierarchical KiCad 9 file set (root + leaf .kicadsch, .kicadpro, autoplacer.json). The LLM- driven stages (intent / functionalspec / architecture / bom) run as a Claude Code skill at .claude/skills/kicraft/, so a Claude Code subscription pays for inference and no API key is required. The deterministic…

Main components on the STM32F103 DEV BOARD

AMS1117-3.3STM32F103C8T6

STM32F103 DEV BOARD bill of materials (BOM)

20 components, 11 distinct parts.

QtyPartRefs
1
AMS1117-3.3
U1
1
STM32F103C8T6
U2
1
8MHz
Y1
1
TYPE-C-31-M-12
J1
1
SWD_2x05
J2
2
EVQP7A01P
SW1, SW2
3
10µF
C1, C2, C9
2
22pF
C3, C4
4
100nF
C5, C6, C7, C8
2
5.1k
R1, R2
2
10k
R3, R4

STM32F103 DEV BOARD design files

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

STM32F103 DEV BOARD: common questions

What microcontroller does the STM32F103 DEV BOARD use?

The STM32F103 DEV BOARD is built around the STM32F103C8T6, from the STM32 family.

How big is the STM32F103 DEV BOARD?

The STM32F103 DEV BOARD measures 42.3 × 101.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the STM32F103 DEV BOARD?

20 components, from 11 distinct parts. The full bill of materials is listed on this page.

Where can I download the STM32F103 DEV BOARD design files?

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

Can I use the STM32F103 DEV BOARD design in my own project?

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

Can I test firmware for the STM32F103 DEV BOARD 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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