

STM32 BluePill
A very simple STM32F103 breakout board
- Size
- 55.6 × 49 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 48
- Nets
- 49
- Pads
- 181
- Tracks, vias
- 354, 32
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 16 May 2023
- Updated
- 16 May 2023
Overview
STM32 BluePill is an open-source printed circuit board by snejDev, from the snejDev/Nibble repository on GitHub. It is a 2-layer board of 55.6 × 49 mm with 48 parts on 49 nets, routed with 354 tracks and 32 vias.
It is built around the AMS1117-3.3. Its parts include 16 capacitors, 12 connectors, 5 resistors, 2 ICs and 2 switches. It belongs with the STM32 boards of this library.
Main components
1Parts
48| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | GPIO | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J4, J5, J7, J8, J9, J10 |
| 4 | 100n | Capacitor_SMD:C_0402_1005Metric | C7, C8, C9, C10 |
| 4 | MountingHole | MountingHole:MountingHole_2.2mm_M2 | H1, H2, H3, H4 |
| 3 | 0.1u | Capacitor_SMD:C_0402_1005Metric | C2, C5, C14 |
| 3 | 120R | Inductor_SMD:L_0603_1608Metric | FB1, FB2, FB3 |
| 3 | 1K5 | Resistor_SMD:R_0402_1005Metric | R3, R4, R5 |
| 2 | 10n | Capacitor_SMD:C_0402_1005Metric | C4, C11 |
| 2 | 10p | Capacitor_SMD:C_0402_1005Metric | C15, C16 |
| 2 | 1u | Capacitor_SMD:C_0402_1005Metric | C12, C13 |
| 2 | 22u | Capacitor_SMD:C_0805_2012Metric | C1, C3 |
| 2 | LOGO | LOGO | G***, G*** |
| 1 | 10K | Resistor_SMD:R_0402_1005Metric | R2 |
| 1 | 10u | Capacitor_SMD:C_0603_1608Metric | C6 |
| 1 | 16Mhz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm_HandSoldering | Y1 |
| 1 | 1k5 | Resistor_SMD:R_0402_1005Metric | R1 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | GPIO | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J6 |
| 1 | I2C | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J1 |
| 1 | LED | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | PWR | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J11 |
| 1 | STM32F103C8Tx | Package_QFP:LQFP-48_7x7mm_P0.5mm | U1 |
| 1 | SWD | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J3 |
| 1 | SW_Push | Button_Switch_THT:SW_PUSH_6mm | SW2 |
| 1 | SW_SPDT | Button_Switch_SMD:SW_SPDT_PCM12 | SW1 |
| 1 | USART | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J2 |
| 1 | USB_B_Micro | Connector_USB:USB_Micro-B_Wuerth_629105150521_CircularHoles | J15 |
Questions
How big is the STM32 BluePill PCB?
It measures 55.6 × 49 mm and has 2 copper layers, 1.6 mm thick.
What parts does the STM32 BluePill use?
48 parts, built around the 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 STM32 BluePill KiCad files?
From the snejDev/Nibble repository on GitHub, at the commit this page was made from: the board is STM32_BluePill.kicad_pcb and its schematic STM32_BluePill.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the STM32 BluePill design in my own project?
Its repository states no licence, so its author keeps all rights: ask snejDev before reusing the design.
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