Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | STM32F103C8T6 |
| Core Architecture | ARM Cortex-M3 32-bit RISC |
| Operating Frequency | Up to 72 MHz |
| Flash Memory | 64 KB |
| SRAM | 20 KB |
| Operating Voltage | 2.0V to 3.6V (3.3V typical) |
| I/O Pins | 37 GPIO pins |
| Interfaces | SPI, I2C, USART, ADC, DMA |
| Board Dimensions | Approx. 23mm x 43mm |
| Debug Interface | SWD / JTAG compatible |
Anonymous
Mar 25, 2026
Rating: 4/5
Solid hardware, needs careful pinout check
The board functions well for prototyping. Just make sure to double-check the pinout diagram as it differs slightly from standard Arduino layouts.
Anonymous
Mar 22, 2026
Rating: 5/5
Tiny but powerful
Impressed by how much processing power is packed into such a small form factor. Used it to control a small drone flight controller successfully.
Anonymous
Mar 18, 2026
Rating: 5/5
Perfect for learning ARM Cortex-M3
This board is incredibly compact and works flawlessly with the STM32CubeIDE. Great value for money for anyone wanting to move beyond Arduino.
Anonymous
Mar 13, 2026
Rating: 4/5
Good starter board
Works great out of the box. The only downside is the lack of an onboard programmer, so you need a separate ST-Link debugger.
Anonymous
Mar 10, 2026
Rating: 5/5
Reliable and consistent
I have purchased five of these for various sensor nodes. All of them performed consistently without any issues. Highly recommended.
Anonymous
Mar 02, 2026
Rating: 5/5
Best budget MCU board
Bought this for my university embedded systems project. It handles complex tasks easily and the community support online is huge.
Q: Is this board compatible with the Arduino IDE?
A: Yes, it is compatible. You can program it using the Arduino IDE by installing the appropriate STM32 board support package via the Board Manager.
Q: Does this specific model have a built-in LED on pin PC13?
A: Yes, most versions of the STM32F103C8T6 minimum system board include an LED connected to pin PC13, which is commonly used for blinking tests.
Q: What is the maximum current this board can supply on the 3.3V pin?
A: The onboard regulator can typically supply up to 200mA, but we recommend keeping the load under 100mA for stable operation and to prevent overheating.
Q: Can I power this board directly via the VIN pin with 5V?
A: Yes, you can apply 5V to the 5V pin (often labeled as VIN on clones), which passes through the onboard regulator to provide 3.3V to the MCU.
Q: Does this board come with a USB cable or programmer?
A: No, this package includes only the bare minimum system board. You will need to purchase a separate ST-Link V2 programmer/debugger and a micro-USB cable.
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