WeAct Studio · STM32
STM32 Black Pill (F411CE)
The Blue Pill done right: Cortex-M4F with FPU, 512 KB flash, native USB-C DFU and no need for an external programmer.
No wireless3.3 V logicBreadboard
Typical price
$7
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Specifications
| Maker | WeAct Studio |
|---|---|
| Chip | STM32F411CEU6 |
| CPU | Arm Cortex-M4F |
| Clock speed | 100 MHz |
| Wi-Fi | None |
| Bluetooth | None |
| Zigbee / Thread radio | No |
| GPIO pins | 32 usable |
| ADC | 10 channels, 12-bit |
| DAC | None |
| Flash | 512 KB |
| RAM | 128 KB |
| Logic level | 3.3 V |
| Power input | 5V USB-C / 3.3V |
| Deep sleep (typ.) | ~300 µA |
| Active current (typ.) | ~35 mA |
| Form factor | Breadboard |
| USB | USB-C (DFU bootloader) |
| Programming | Arduino (STM32duino), PlatformIO, STM32Cube, MicroPython |
| Released | 2019 |
Typical values. Sleep current is approximate; whole-board numbers are higher than the bare chip's datasheet figure.
Pros
- 100 MHz Cortex-M4F with hardware FPU
- Built-in USB DFU bootloader
- Sharp price for the performance
Cons
- No wireless
- Fewer tutorials than ESP32 or Arduino
- Genuine WeAct boards are cloned
Best use cases
- 01Audio and DSP projects
- 02Fast motor and FOC control
- 03USB gadgets and MIDI
- 04Data acquisition
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