Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | STM32F103RCT6 (ARM Cortex-M3) |
| Flash Memory | 256 KB |
| SRAM | 48 KB |
| System Clock | Up to 72 MHz |
| Operating Voltage | 3.3V |
| Input Voltage | 5V via USB or VIN pin |
| I/O Pins | 51 General Purpose I/O |
| Communication Interfaces | 3x USART, 2x SPI, 2x I2C, CAN, USB |
| Debug Interface | SWD / JTAG |
| Board Dimensions | 53mm x 23mm |
Anonymous
Mar 19, 2026
Rating: 5/5
Best board in this price range
Compared to other development boards I've tried, this offers the best balance of features and cost. The 256KB flash is sufficient for most medium-sized applications. Shipping was fast too.
Anonymous
Mar 19, 2026
Rating: 4/5
Great value, minor documentation gaps
The hardware quality is excellent for the price. The STM32F103RCT6 chip performs well at 72MHz. I deducted one star because the schematic could be more detailed for advanced peripheral usage, but overall a solid buy.
Anonymous
Mar 12, 2026
Rating: 5/5
Excellent for learning ARM architecture
As a beginner to ARM Cortex-M3, this board made the transition easy. The community support is huge, and there are plenty of tutorials available. The build quality feels sturdy.
Anonymous
Mar 07, 2026
Rating: 5/5
Perfect for FreeRTOS projects
This board is exactly what I needed for my embedded systems class. The pinout is clearly labeled, and getting FreeRTOS up and running was straightforward with the provided examples. Highly recommended for students.
Anonymous
Mar 07, 2026
Rating: 5/5
Reliable minimal system board
I've used this for several industrial control prototypes. The voltage regulator is stable, and the SWD debugging works flawlessly with my ST-Link programmer. No issues after weeks of continuous operation.
Anonymous
Mar 01, 2026
Rating: 4/5
Good performance, compact size
The small form factor fits perfectly into my custom enclosures. Performance is as expected for the RCT6 variant. Just make sure you have a 3.3V logic level converter if connecting to 5V sensors directly.
Q: Are there example codes available for FreeRTOS?
A: Yes, we provide a link in the product description to a GitHub repository containing basic FreeRTOS examples, including task scheduling, semaphores, and queue management specifically for the STM32F103RCT6.
Q: Is this compatible with the Arduino IDE?
A: Yes, this board is compatible with the Arduino IDE. You will need to install the STM32duino board package via the Board Manager to compile and upload code successfully.
Q: Does this board come with a bootloader pre-installed?
A: Yes, the board comes with a standard UART bootloader pre-installed, allowing you to program it via USB without an external programmer, though SWD is recommended for debugging.
Q: What debugger interface does this support?
A: The board supports both SWD (Serial Wire Debug) and JTAG interfaces. We recommend using SWD with an ST-Link V2 or V3 programmer for the best debugging experience.
Q: Can I power this board directly from a 9V battery?
A: Yes, you can connect a 9V battery to the VIN pin. The onboard regulator will step it down to the required 3.3V for the microcontroller. However, ensure the current draw does not exceed the regulator's limits.
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