STMicroelectronics · STM32
STM32 Nucleo-F446RE
A professional-grade board with a built-in debugger. If you want to learn proper embedded development on STM32, start here.
No wireless3.3 V logicLarge
Typical price
$15
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Specifications
| Maker | STMicroelectronics |
|---|---|
| Chip | STM32F446RET6 |
| CPU | Arm Cortex-M4F |
| Clock speed | 180 MHz |
| Wi-Fi | None |
| Bluetooth | None |
| Zigbee / Thread radio | No |
| GPIO pins | 50 usable |
| ADC | 16 channels, 12-bit |
| DAC | 2 channels |
| Flash | 512 KB |
| RAM | 128 KB |
| Logic level | 3.3 V |
| Power input | 7–12V VIN / 5V USB |
| Deep sleep (typ.) | ~3 mA |
| Active current (typ.) | ~60 mA |
| Form factor | Large |
| USB | Micro-USB (ST-LINK V2-1) |
| Programming | Arduino (STM32duino), PlatformIO, STM32Cube, Mbed OS, MicroPython |
| Released | 2015 |
Typical values. Sleep current is approximate; whole-board numbers are higher than the bare chip's datasheet figure.
Pros
- On-board ST-LINK debugger and virtual serial port
- Arduino Uno headers plus ST morpho connectors
- 180 MHz Cortex-M4F with FPU, 2 DACs
Cons
- Large board, not breadboard-friendly
- 3.3 V only on Arduino headers
- Learning curve with STM32Cube tools
Best use cases
- 01Professional embedded development
- 02Motor control and power electronics
- 03Audio / DSP
- 04Learning debugging and RTOS
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