WeAct Blue Pill Plus Clone
STM32F103C8T6
Board
| Name | WeAct Blue Pill Plus Clone |
| Part | Blue Pill+ |
| Brand | Unknown |
| Origin | China |
Microcontroller
| Part | STM32F103C8T6 |
| Manufacturer | ST-Microelectronics |
| Core | Arm Cortex-M3 |
| Max. Clock Speed | 72MHz |
| Package | LQFP 48 pins |
Internal memories
| FLASH | 64KiB |
| SRAM | 20KiB |
Oscillators
| HSI | 8MHz |
| LSI | 40kHz |
| HSE | 8MHz |
| LSE | 32.768kHz |
Power
| Sources | Any +3.3V pin (+3.3V) Any +5V pin (+5V) USB connector (+5V) |
| VDDA pin | No |
| VSSA pin | No |
| VREF- pin | No |
| VREF+ pin | No |
| Backup battery | None |
Regulator
| Manufacturer | Unknown |
| Part | Unknown |
| Package | SOT23 3 pins |
| Input | +3.6V to +5.5V |
| Output | +3.3V @ 150mA |
| Datasheet | Unavailable |
PCB
| Color | Blue |
| Size (w x l) | 20mm x 52mm |
| Mounting | Breadboard |
Remarks
- Warning: This board is a clone of the official WeAct Blue Pill Plus board. For this reason, no schematics are included on this page. Please refer to the official WeAct Github page for more information.
Pictures
Inputs
Connectors
Devices
Inputs & outputs
Reset button
| Name | NRST |
| Reference | - |
| Type | Button |
| Connected to | NRST |
| Mode | Active low |
BOOT0 button
| Name | BOOT0 |
| Reference | - |
| Type | Button |
| Connected to | BOOT0 |
| Mode | Active high |
User button
| Name | KEY |
| Reference | - |
| Type | Button |
| Connected to | PA0 |
| Mode | Active high |
Power LED
| Name | PWR |
| Reference | - |
| Type | LED |
| Connected to | +3.3V rail |
| Mode | N.A. |
User LED
| Name | PB2 |
| Reference | - |
| Type | LED |
| Connected to | PB2 |
| Mode | Sink |
Connectors & headers
Header 1 properties
| Name | Unknown |
| Reference | None |
| Type | pin header (2.54mm, 20x1, male) |
Header 1 pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | 5V | - | +5V rail |
| 2 | G | - | Ground plane |
| 3 | 3.3 | - | +3.3V rail |
| 4 | R | - | NRST |
| 5 | B11 | - | PB11 |
| 6 | B10 | - | PB10 |
| 7 | B1 | - | PB1 |
| 8 | B0 | - | PB0 |
| 9 | A7 | - | PA7 |
| 10 | A6 | - | PA6 |
| 11 | A5 | - | PA5 |
| 12 | A4 | - | PA4 |
| 13 | A3 | - | PA3 |
| 14 | A2 | - | PA2 |
| 15 | A1 | - | PA1 |
| 16 | A0 | - | PA0 |
| 17 | C15 | - | PC15 |
| 18 | C14 | - | PC14 |
| 19 | C13 | - | PC13 |
| 20 | VB | - | VBAT |
Header 2 properties
| Name | Unknown |
| Reference | None |
| Type | pin header (2.54mm, 20x1, male) |
Header 2 pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | B12 | - | PB12 |
| 2 | B13 | - | PB13 |
| 3 | B14 | - | PB14 |
| 4 | B15 | - | PB15 |
| 5 | A8 | - | PA8 |
| 6 | A9 | - | PA9 |
| 7 | A10 | - | PA10 |
| 8 | A11 | - | PA11 |
| 9 | A12 | - | PA12 |
| 10 | A15 | - | PA15 |
| 11 | B3 | - | PB3 |
| 12 | B4 | - | PB4 |
| 13 | B5 | - | PB5 |
| 14 | B6 | - | PB6 |
| 15 | B7 | - | PB7 |
| 16 | B8 | - | PB8 |
| 17 | B9 | - | PB9 |
| 18 | 5V | - | +5V rail |
| 19 | G | - | Ground plane |
| 20 | 3.3 | - | +3.3V rail |
USB connector properties
| Name | Unknown |
| Reference | None |
| Type | USB C |
USB connector pins
| # | Name | Function | Connected to |
|---|---|---|---|
| A1/B12 | - | GND | Ground plane |
| A4/B9 | - | VBUS | +5V rail |
| B8 | - | SBU2 | Ground plane via 5.1kΩ |
| A5 | - | CC1 | N.C. |
| B7 | - | D- | PA11 |
| A6 | - | D+ | PA12 |
| A7 | - | D- | PA11 |
| B6 | - | D+ | PA12 |
| A8 | - | SBU1 | Ground plane via 5.1kΩ |
| B5 | - | CC2 | N.C. |
| B4/A9 | - | VBUS | +5V rail |
| B1/A12 | - | GND | Ground plane |
SWD header properties
| Name | SW |
| Reference | None |
| Type | pin header (2.54mm, 4x1, male) |
SWD header pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | 3.3V | VCC | +3.3V rail |
| 2 | SWDIO | SWDIO | PA13 |
| 3 | SWCLK | SWCLK | PA14 |
| 4 | GND | GND | Ground plane |
Devices
Generic EEPROM properties footprint
| Name | Unknown |
| Reference | U3 |
| Manufacturer | Unknown |
| Part | Generic EEPROM |
| Marking | Unknown |
| Datasheet | Unavailable |
| Package | SOP 8 pins |
| Description | Generic I2C EEPROM |
Generic EEPROM pins footprint
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | - | /CS | PA4 |
| 2 | - | DO | PA6 |
| 3 | - | /WP | +3.3V rail |
| 4 | - | GND | Ground plane |
| 5 | - | DI | PA7 |
| 6 | - | CLK | PA5 |
| 7 | - | /HOLD | +3.3V rail |
| 8 | - | VCC | +3.3V rail |