Stm32f103-dev board
About the Stm32f103-dev board
Stm32f103-dev board is an open source STM32 PCB design by Rennaafi, published on GitHub. It is a 2-layer board measuring 33.7 × 25.4 mm, with 28 components from 17 distinct parts.
Its main chip is the STM32F100C8Tx, from the STM32 family. Other key parts include the AMS1117. By type, the board carries 12 capacitors, 5 resistors, 4 connectors, 2 ICs, 2 switches and 1 crystal.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
Compact 2-layer STM32F103 (LQFP-48) USB dev board designed in KiCad 9: schematic, PCB layout, Gerbers & BOM
A compact 2-layer STM32F103 (LQFP-48) breakout board designed in KiCad 9. It is powered over USB and exposes SWD, SPI and I2C on pin headers.
- MCU: STM32F103 in LQFP-48 (U1) - Clock: 16 MHz crystal (TSX-3225) with 8 pF load capacitors - Power: USB Micro-B → AMS1117-3.3 LDO → 3.3 V, with a ferrite bead (120 Ω) filtering VDDA - USB: D+ pull-up (1k5) on PA12 - Boot mode: slide switch (SW2) on BOOT0 - Reset: tactile button (SW1) on NRST - Power LED: red LED (D1) - Headers: - J1: SWD (3V3, SWDIO, SWCLK, GND) - J3: SPI1 (3V3, NSS, SCK, MISO, MOSI, GND) - J4: I2C1 on PB10/PB11 with 1k5 pull-ups -…
Main components on the Stm32f103-dev board
Stm32f103-dev board bill of materials (BOM)
28 components, 17 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32F100C8Tx | LQFP-48_7x7mm_P0.5mm | U1 |
| 1 | AMS1117 | SOT-223-3_TabPin2 | U2 |
| 1 | Crystal 16 Mhz | TSX-3225 | Y1 |
| 2 | Conn_01x04_Pin | PinHeader_1x04_P1.00mm_Vertical | J1, J4 |
| 1 | USB_B_Micro | USB_Micro-B_Wuerth_629105150521 | J2 |
| 1 | Conn_01x06_Pin | PinHeader_1x06_P1.00mm_Vertical | J3 |
| 1 | ~ | button_434133025816 | SW1 |
| 1 | SW_SPDT | SW_SPDT_PCM12 | SW2 |
| 1 | RED | LED_0603_1608Metric | D1 |
| 1 | 120R | BLM18PG121SN1D | FB1 |
| 6 | 100n | C_0603_ | C1, C2, C3, C4, C6, C10 |
| 3 | 10u | C_0603_ | C5, C11, C12 |
| 1 | 1u | C_0603_ | C7 |
| 2 | 8p | C_0603_ | C8, C9 |
| 1 | 10k | R_0603 | R1 |
| 1 | R | R_0603 | R2 |
| 3 | 1k5 | R_0603 | R3, R4, R5 |
Stm32f103-dev board design files
The KiCad project lives in the Rennaafi/stm32f103-dev-board 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 STM32F100C8Tx, from the STM32 family.
How big is the Stm32f103-dev board?
The Stm32f103-dev board measures 33.7 × 25.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Stm32f103-dev board?
28 components, from 17 distinct parts. The full bill of materials is listed on this page.
Where can I download the Stm32f103-dev board design files?
From the Rennaafi/stm32f103-dev-board 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 Rennaafi. 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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