Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | STM32F103RCT6 or STM32F401RCT6 |
| Core Architecture | ARM Cortex-M3 (F1) or Cortex-M4 (F4) |
| Flash Memory | 256 KB |
| SRAM | 48 KB |
| Operating Voltage | 3.3V |
| Input Voltage | 5V via Micro USB or VIN pin |
| Clock Speed | Up to 72 MHz (F1) / 84 MHz (F4) |
| Interface | Micro USB, SWD, GPIO, I2C, SPI, UART |
| Dimensions | 53mm x 23mm x 10mm |
| Weight | 12 grams |
Anonymous
Mar 28, 2026
Rating: 5/5
Perfect for embedded projects
This board is exactly what I needed for my robotics project. The pinout is clearly labeled, and it works flawlessly with the Arduino IDE after installing the appropriate core. Great value for the price.
Anonymous
Mar 27, 2026
Rating: 4/5
Solid performance, minor documentation gaps
The hardware quality is excellent and the MCU runs fast. However, the included PDF manual was a bit sparse. I had to look up the datasheet online for specific register details. Still, highly recommended for experienced users.
Anonymous
Mar 16, 2026
Rating: 5/5
Bought 10 for our club
We purchased these for our university robotics club. All ten boards arrived in perfect condition and worked out of the box. The build quality is consistent across all units.
Anonymous
Mar 15, 2026
Rating: 5/5
Great for learning ARM architecture
As a computer engineering student, this board has been invaluable for understanding low-level programming. The SWD interface makes debugging easy with an ST-Link programmer.
Anonymous
Mar 15, 2026
Rating: 4/5
Good board, check your voltage
Works great, but remember that the GPIO pins are 3.3V logic, not 5V tolerant. Make sure your sensors match this voltage or use level shifters. Once configured correctly, it's very stable.
Anonymous
Mar 11, 2026
Rating: 5/5
Compact and powerful
I love how small this board is while still offering plenty of GPIO pins. I used it for a home automation sensor node, and the power consumption is very manageable.
Q: Does this board come with a built-in USB-to-UART converter?
A: Yes, the board features an onboard CH340 or similar chip that allows you to program the MCU and use serial communication directly via the Micro USB port.
Q: Is this compatible with the standard Arduino IDE?
A: Yes, it is compatible. You will need to install the STM32duino board package via the Board Manager in the Arduino IDE preferences.
Q: Are the headers pre-soldered?
A: No, the headers are not pre-soldered to allow for flexible mounting options. You will need to solder them yourself or use female header strips if preferred.
Q: What debugger interface does this support?
A: This board supports the SWD (Serial Wire Debug) interface. You can use an ST-Link V2 or J-Link debugger to flash code and debug step-by-step.
Q: Can I power this board with a 9V battery?
A: You can connect a 9V battery to the VIN pin, as the board has an onboard voltage regulator. However, ensure the polarity is correct to avoid damaging the board.
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