Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller Model | STM32F103C8T6 |
| Core Architecture | ARM Cortex-M3 32-bit RISC |
| Maximum Frequency | 72 MHz |
| Flash Memory | 64 KB |
| SRAM | 20 KB |
| Operating Voltage | 3.3V |
| Input Voltage Range | 3.6V - 6V (via onboard regulator) |
| Digital I/O Pins | 37 GPIOs |
| Communication Interfaces | 3x USART, 2x SPI, 2x I2C, USB, CAN |
| Board Dimensions | 53mm x 23mm |
Anonymous
Mar 28, 2026
Rating: 5/5
Best budget development board
I have used many different microcontrollers, and this offers the best performance-to-cost ratio for 32-bit development. The form factor fits perfectly into small enclosures.
Anonymous
Mar 21, 2026
Rating: 5/5
Excellent for university projects
Bought five of these for our senior design project. They are reliable, compact, and handle all our sensor interfacing needs without breaking a sweat. Highly recommended for students.
Anonymous
Mar 21, 2026
Rating: 5/5
Fast shipping and genuine chip
Arrived quickly and packaging was secure. I tested the clock speed and memory, and everything matches the datasheet specifications. A solid choice for prototyping.
Anonymous
Mar 15, 2026
Rating: 4/5
Great board, documentation could be better
Hardware is top-notch, but the included paper manual is very basic. You will need to rely on online communities and the official STM documentation to get started if you are a beginner.
Anonymous
Mar 09, 2026
Rating: 4/5
Good quality but needs a programmer
The board itself is well-made and the chip seems genuine. Just remember that this specific version does not have a built-in USB-to-serial converter, so you will need an external ST-Link or FTDI adapter to upload code.
Anonymous
Mar 02, 2026
Rating: 5/5
Perfect for learning embedded systems
This board is exactly what I needed to start my journey with ARM Cortex-M3. The pinout is clearly labeled, and it works flawlessly with the Arduino IDE and STM32CubeIDE. Great value for the price.
Q: Does this board come with a built-in USB programmer?
A: No, this specific 'Minimum System Board' model requires an external programmer such as an ST-Link V2 or a USB-to-TTL serial adapter to upload code.
Q: Is this board compatible with the Arduino IDE?
A: Yes, it is fully compatible. You can install the STM32 board package via the Board Manager in Arduino IDE and select the 'Generic STM32F1 series' to program it.
Q: What is the maximum current this board can supply to peripherals?
A: The onboard 3.3V regulator can typically supply up to 200mA, but we recommend keeping the load under 150mA for stable operation. High-power devices should use an external power source.
Q: Can I power this board directly with 5V from a USB cable?
A: You should not connect 5V directly to the 3.3V pin. However, you can connect 5V to the '5V' input pin if available, or strictly 3.6V-6V to the VIN pin, which will be regulated down to 3.3V internally.
Q: Does this support floating point operations?
A: The STM32F103C8T6 uses a Cortex-M3 core which does not have a hardware Floating Point Unit (FPU). Floating point math is handled in software, which is slower than on M4 or M7 cores.
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