Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller Unit	STM32F103C8T6
CPU Architecture	ARM Cortex-M3 32-bit
Maximum Frequency	72 MHz
Flash Memory	64 KB
SRAM	20 KB
Digital I/O Pins	37 Pins
Communication Interfaces	UART, SPI, I2C, CAN, RS485
Operating Voltage	3.3V Logic / 5V Input
Board Dimensions	55mm x 40mm x 12mm
Weight	18 grams

5 reviews

Anonymous

Mar 18, 2026

Rating: 5/5

CAN Bus Works Great

Tested the CAN interface with an OBD2 scanner and it communicated without issues. Great value for industrial prototyping.

Anonymous

Mar 07, 2026

Rating: 5/5

Compact and Powerful

Fits perfectly in my enclosure. The STM32F103 is a classic chip and this board breaks out all the useful pins including CAN.

Anonymous

Mar 07, 2026

Rating: 4/5

Solid Hardware

Good build quality and the pinout is standard. Would give 5 stars if the documentation was slightly more detailed for beginners.

Anonymous

Mar 05, 2026

Rating: 3/5

Documentation Needed

Board works but wiki links were hard to find. Had to figure out some pin mappings myself. Hardware itself is reliable.

Anonymous

Feb 02, 2026

Rating: 5/5

Perfect for Automation

Used this for a Modbus RTU project and the RS485 interface worked flawlessly out of the box. The compact size fits well into my control panel.

5 FAQ

Q: Which IDEs are compatible with this board?

A: This board is compatible with STM32CubeIDE, Keil MDK, IAR Embedded Workbench, and platformio.

Q: Can I power this board via the VIN pin?

A: Yes, you can supply 5V via the VIN pin or use the micro USB port for power and debugging.

Q: Does it include a debugging interface?

A: Yes, there is a standard SWD header included on the board for programming and debugging.

Q: What is the maximum baud rate supported on the CAN bus?

A: The CAN controller supports speeds up to 1 Mbps, compliant with the ISO 11898 standard.

Q: What is the logic level voltage for the GPIO pins?

A: The GPIO pins operate at 3.3V logic levels. Please ensure connected peripherals are 3.3V tolerant or use level shifters.

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