2 layers68 × 40 mm
Stm32-io extend
hardenedlinux/cheap-pcb
Cheap PCB: Better understanding the current status of hardware supply chain
44 parts170CC0-1.0
2 layers41.3 × 42.7 mm
Stm32f103
Vtechcode/stm32f103c8t6-pcb- Size
- 41.3 × 42.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 41
- Nets
- 53
- Pads
- 179
- Tracks, vias
- 479, 68
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 10 Oct 2025
- Updated
- 10 Oct 2025
Overview
Stm32f103 is an open-source printed circuit board by Vtechcode, from the Vtechcode/stm32f103c8t6-pcb repository on GitHub. It is a 2-layer board of 41.3 × 42.7 mm with 41 parts on 53 nets, routed with 479 tracks and 68 vias.
It is built around the STM32F103C8T6 and AMS1117-3.3. Its parts include 13 capacitors, 10 connectors, 6 resistors, 2 ICs and 2 diodes. It belongs with the STM32 boards of this library.
Main components
2
STM32F103C8T6
LQFP-48(7x7)-40℃~+85℃ 12bit 20KB 2V~3.6V 32 Bit 37 64KB 72MHz ARM Cortex-M3 Built-in FLASH LQFP-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdSTM32F108C8T6 dev board
A custom PCB for an STM32F103 MCU
Features
- STM32F108C8T6 MCU
- USB-B power input
Preview
Schematic
PCB layout
Parts
41| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole | MountingHole:MountingHole_2.2mm_M2 | H1, H2, H3, H4 |
| 3 | Conn_01x04_Pin | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2, J5, J6 |
| 2 | 100n | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3, C4 |
| 2 | 100n | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C1, C2 |
| 2 | 10p | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C10, C11 |
| 2 | 1k | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R3, R6 |
| 2 | 22uF | Capacitor_SMD:C_0805_2012Metric | C12, C13 |
| 2 | 4K7 | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R4, R5 |
| 2 | Conn_01x04_Pin | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J3, J4 |
| 2 | Conn_01x09_Pin | Connector_PinSocket_2.54mm:PinSocket_1x09_P2.54mm_Vertical | J8, J9 |
| 1 | 100n | Capacitor_SMD:C_0201_0603Metric | C9 |
| 1 | 10K | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R1 |
| 1 | 10n | Capacitor_SMD:C_0603_1608Metric | C6 |
| 1 | 10u | Capacitor_SMD:C_0805_2012Metric | C5 |
| 1 | 120R | Inductor_SMD:L_1806_4516Metric | FB1 |
| 1 | 16MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y2 |
| 1 | 1K5 | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R2 |
| 1 | 1U | Capacitor_SMD:C_0805_2012Metric | C8 |
| 1 | 1u | Capacitor_SMD:C_0805_2012Metric | C7 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-23_Handsoldering | U2 |
| 1 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J10 |
| 1 | Conn_01x06_Pin | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J7 |
| 1 | STM32F103C8T6 | Package_QFP:LQFP-48_7x7mm_P0.5mm | U1 |
| 1 | SW_Push | Button_Switch_SMD:SW_Push_1P1T_NO_CK_KMR2 | SW1 |
| 1 | SW_SPDT | Button_Switch_SMD:SW_SPDT_PCM12 | SW2 |
| 1 | USB_B_Micro | Connector_USB:USB_Micro-B_Molex_47346-0001 | J1 |
| 1 | green_led | LED_SMD:LED_0201_0603Metric | D2 |
| 1 | red_led | LED_SMD:LED_0201_0603Metric | D1 |
Questions
How big is the Stm32f103 PCB?
It measures 41.3 × 42.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Stm32f103 use?
41 parts, built around the STM32F103C8T6 and AMS1117-3.3. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Stm32f103 KiCad files?
From the Vtechcode/stm32f103c8t6-pcb repository on GitHub, at the commit this page was made from: the board is stm32f103.kicad_pcb and its schematic stm32f103.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Stm32f103 design in my own project?
Its repository states no licence, so its author keeps all rights: ask Vtechcode before reusing the design.
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