Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
MCU Model	STM32F103C8T6 / STM32F401RCT6
CPU Architecture	ARM Cortex-M3 / Cortex-M4
Flash Memory	64KB / 256KB
SRAM Capacity	20KB / 64KB
Max Clock Speed	72MHz / 84MHz
Operating Voltage	3.3V
Input Voltage	5V (Micro USB)
GPIO Pins	37 Programmable
Debug Interface	SWD / JTAG
Board Dimensions	53mm x 23mm x 10mm

5 reviews

Anonymous

Apr 10, 2026

Rating: 5/5

Fast Shipping

Board arrived well protected and works out of the box. No dead pins on my unit.

Anonymous

Mar 23, 2026

Rating: 5/5

Reliable Hardware

Used for a drone controller project. No voltage drops observed during high load tests.

Anonymous

Feb 28, 2026

Rating: 5/5

Compact and Powerful

Fits easily into small enclosures. The processing power is sufficient for most IoT tasks.

Anonymous

Feb 20, 2026

Rating: 4/5

Good Value

Documentation is sparse but community support is huge. Great for the price point.

Anonymous

Jan 22, 2026

Rating: 5/5

Great Starter Board

Works perfectly with STM32CubeIDE. Pinout is standard and easy to reference for beginners.

5 FAQ

Q: Are the GPIO pins 5V tolerant?

A: Most GPIO pins operate at 3.3V logic levels. Please check the specific datasheet for 5V tolerance on individual pins.

Q: What programmer do I need to flash firmware?

A: An ST-Link V2 debugger/programmer is commonly recommended and works seamlessly with this board.

Q: Does this board work with the Arduino IDE?

A: Yes, you can use this board with Arduino IDE by installing the STM32duino board manager package.

Q: Are the pin headers soldered onto the board?

A: Headers are typically included in the package but are unsoldered to allow for custom mounting configurations.

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

A: Yes, you can supply 5V input via the VIN pin or the Micro USB port to power the onboard regulator.

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