Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | STM32F103RBT6 |
| Architecture | ARM Cortex-M3 32-bit RISC |
| Max Frequency | 72 MHz |
| Flash Memory | 128 KB |
| SRAM | 20 KB |
| Form Factor | Nucleo-64 (Arduino Uno Rev3 compatible) |
| On-board Debugger | ST-LINK/V2-1 |
| Connectivity | USB, I2C, SPI, USART |
| Power Supply | USB or external 5V/3.3V |
| Manufacturer | STMicroelectronics |
Anonymous
Mar 30, 2026
Rating: 4/5
Good for industrial control prototypes
We use these for initial proof-of-concept designs before moving to custom PCBs. The only downside is the lack of Ethernet on this specific model, but for general IO and motor control, it's fantastic.
Anonymous
Mar 15, 2026
Rating: 5/5
Reliable and versatile
Used this for a home automation controller. The multiple UARTs and timers available on the F103RBT6 make it very flexible. The build quality feels premium despite the low cost.
Anonymous
Mar 14, 2026
Rating: 5/5
Perfect for learning ARM Cortex-M3
This board is an excellent entry point into the STM32 ecosystem. The Arduino compatibility makes porting old sketches easy, while the ST-LINK debugger works flawlessly out of the box with CubeIDE.
Anonymous
Mar 12, 2026
Rating: 5/5
Great value for prototyping
I bought three of these for a university project. They are robust, well-documented, and the community support is huge. Highly recommended for students and hobbyists alike.
Anonymous
Mar 05, 2026
Rating: 4/5
Solid board, minor pin layout quirks
The performance is great and the 72MHz speed is plenty for most control tasks. Just be aware that not every Arduino shield fits perfectly due to slight spacing differences on some pins, but it works for most standard shields.
Anonymous
Mar 01, 2026
Rating: 5/5
Easy setup for beginners
I was intimidated by moving from AVR to ARM, but this Nucleo board made the transition smooth. The examples provided by ST are clear and the hardware just works immediately upon plugging in USB.
Q: What IDEs are compatible with this board?
A: This board is fully supported by STM32CubeIDE, Keil MDK, IAR Embedded Workbench, and can also be programmed using the Arduino IDE, PlatformIO, and various command-line tools like GCC.
Q: Can I power this board with a 9V battery?
A: Yes, you can connect a 9V battery to the VIN pin or the Arduino-compatible power jack. The onboard voltage regulator will step it down to 5V and 3.3V for the microcontroller.
Q: Does it come with headers pre-soldered?
A: Typically, the board comes with male headers for the Nucleo-64 connectors pre-installed, but the female headers for Arduino shields often require separate purchase and soldering depending on the specific retailer package.
Q: Is the ST-LINK debugger removable?
A: No, the ST-LINK/V2-1 is integrated directly onto the board. However, you can use the CN2 and CN3 jumpers to disconnect the target MCU if you wish to use the ST-LINK portion to program another external STM32 chip.
Q: Does this board support MicroPython?
A: Yes, the STM32F103RBT6 has sufficient flash and RAM to run MicroPython, though you may need to compile a custom build or use a lightweight version due to memory constraints compared to newer F4/F7 boards.
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