Bluepill expansion
About the Bluepill expansion PCB
Bluepill expansion is an open source PCB design by GinoAvanzini, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 90.9 × 73.2 mm, with 43 components from 27 distinct parts.
Other key parts include the BluePill_STM32F103C, L298HN and MCP2551-I-P. By type, the board carries 13 connectors, 8 diodes, 7 resistors, 6 capacitors, 4 transformers and 3 ICs.
From the project
Simple blue pill expansion board. Used as learning tool in a KiCad workshop
Main components on the Bluepill expansion
Bluepill expansion bill of materials (BOM)
43 components, 27 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BluePill_STM32F103C | BluePill_STM32F103C | U1 |
| 1 | L298HN | TO-220-15_P2.54x2.54mm_StaggerOdd_Lead4.58mm_Vertical | U2 |
| 1 | MCP2551-I-P | DIP-8_W7.62mm | U3 |
| 1 | SENSE_A | PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | SENSE_B | PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | POWER_DC | TerminalBlock_bornier-2_P5.08mm | J3 |
| 1 | MOTDC1 | TerminalBlock_bornier-2_P5.08mm | J4 |
| 1 | MOTDC2 | TerminalBlock_bornier-2_P5.08mm | J5 |
| 1 | I2C | PinHeader_1x04_P2.54mm_Vertical | J6 |
| 1 | UART | PinHeader_1x05_P2.54mm_Vertical | J7 |
| 1 | CAN_BUS | PinHeader_1x02_P2.54mm_Vertical | J8 |
| 1 | LS1 | PinHeader_1x02_P2.54mm_Vertical | J9 |
| 1 | ENCODERS | TerminalBlock_bornier-6_P5.08mm | J10 |
| 1 | LS2 | PinHeader_1x02_P2.54mm_Vertical | J11 |
| 1 | I/O 3V3 | PinSocket_1x09_P2.54mm_Vertical | J12 |
| 1 | DIGITAL_PWR | TerminalBlock_bornier-2_P5.08mm | J13 |
| 1 | LS1 | SW_PUSH_6mm_H7.3mm | SW1 |
| 1 | LS2 | SW_PUSH_6mm_H7.3mm | SW2 |
| 4 | miTornillo | M3 | T1, T2, T3, T4 |
| 8 | D_Schottky | D_DO-41_SOD81_P12.70mm_Horizontal | D1, D2, D3, D4, D5, D6, D7, D8 |
Show 7 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 0.1uF | C_Disc_D7.5mm_W2.5mm_P5.00mm | C1, C4 |
| 2 | 100nF | C_Disc_D7.5mm_W2.5mm_P5.00mm | C2, C3 |
| 1 | 470uF | CP_Radial_D5.0mm_P2.50mm | C6 |
| 1 | 100uF | CP_Radial_D5.0mm_P2.50mm | C8 |
| 2 | R | R_Box_L26.0mm_W5.0mm_P20.00mm | R1, R2 |
| 3 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3, R4, R5 |
| 2 | 120 | R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R6, R7 |
Bluepill expansion design files
The KiCad project lives in the GinoAvanzini/bluepill-expansion repository on GitHub; these links point at the commit this page was built from.
Bluepill expansion: common questions
How big is the Bluepill expansion PCB?
The Bluepill expansion measures 90.9 × 73.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Bluepill expansion?
43 components, from 27 distinct parts. The full bill of materials is listed on this page.
Where can I download the Bluepill expansion design files?
From the GinoAvanzini/bluepill-expansion repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Bluepill expansion design in my own project?
Yes, under the terms of its GPL-3.0 license, which GinoAvanzini chose for the repository.