Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller Model | STM32F103C8T6 |
| CPU Architecture | ARM Cortex-M3 32-bit RISC |
| Maximum Frequency | 72 MHz |
| Flash Memory | 64 KB |
| SRAM | 20 KB |
| Operating Voltage | 2.0V to 3.6V (3.3V typical) |
| Digital I/O Pins | 37 GPIO pins |
| Communication Interfaces | 3x USART, 2x SPI, 2x I2C, USB, CAN |
| ADC Resolution | 12-bit, up to 21 channels |
| Board Dimensions | 53mm x 23mm x 10mm |
Anonymous
Mar 30, 2026
Rating: 5/5
Best budget development board
I bought three of these for my university embedded systems project. They are incredibly cheap compared to official Nucleo boards but offer almost the same functionality for basic experiments. Highly recommended.
Anonymous
Mar 25, 2026
Rating: 5/5
Reliable workhorse
I have used dozens of these boards over the last year for various IoT prototypes. The failure rate is zero. The USB bootloader works consistently, and debugging via SWD is straightforward with an ST-Link.
Anonymous
Mar 17, 2026
Rating: 5/5
Great for custom PCB prototyping
Used this as a module to prototype a motor controller before designing my own PCB. The form factor is compact, and the castellated holes make it easy to solder onto a custom board if needed.
Anonymous
Mar 06, 2026
Rating: 5/5
Perfect for learning ARM development
This board is exactly what I needed to start my journey with STM32 microcontrollers. The pinout is clearly labeled, and it works flawlessly with the Arduino IDE using the STM32 core. Great value for the price.
Anonymous
Mar 04, 2026
Rating: 4/5
Good performance, needs 3.3V logic awareness
The board performs well, but beginners should remember this is a 3.3V logic device, not 5V like standard Arduino Unos. Make sure your sensors and modules are compatible or use level shifters. Once set up correctly, it's very powerful.
Anonymous
Mar 04, 2026
Rating: 4/5
Solid hardware, minor documentation gaps
The build quality is excellent and the chip runs stable at 72MHz. My only complaint is that the included schematic diagram was a bit low resolution. However, finding resources online for this popular board is very easy.
Q: What is the maximum current this board can supply on the 3.3V pin?
A: The onboard LDO regulator can typically supply around 200mA to 300mA total for the board and external peripherals. For high-power components, it is recommended to use an external power source.
Q: Is the USB port used for programming or just power?
A: The micro-USB port serves two functions: it provides 5V power to the board and acts as a communication interface. If the bootloader is active, you can upload code directly via USB without an external programmer.
Q: Are the pin headers pre-soldered?
A: This depends on the specific SKU you selected. Most listings ship with male headers included but not soldered, allowing you to choose between straight or right-angle headers. Some variants may come pre-soldered; please check the product images carefully.
Q: Does this board come with a built-in debugger like ST-Link?
A: No, this specific minimal system board does not have an onboard ST-Link debugger. You will need an external programmer such as an ST-Link V2 or a USB-to-TTL serial adapter to upload code via the bootloader.
Q: Can this board be programmed using the Arduino IDE?
A: Yes, absolutely. You can program this board using the Arduino IDE by installing the 'STM32 Boards by STMicroelectronics' package via the Board Manager. Select the 'Generic STM32F1 series' board and choose the correct variant (C8T6).
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