Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller Model	STM32F103C8T6
CPU Core	ARM Cortex-M3
Max Clock Frequency	72 MHz
Flash Memory	64 KB
SRAM	20 KB
Operating Voltage	3.3V
Input Voltage	5V (via USB or VIN)
GPIO Pins	37 Pins
USB Interface	Micro USB
Board Dimensions	53mm x 23mm

5 reviews

Anonymous

Apr 16, 2026

Rating: 5/5

Excellent for embedded learning

This board is perfect for getting started with ARM Cortex-M3. Compiles fast and runs smoothly.

Anonymous

Apr 14, 2026

Rating: 4/5

Good value but no headers

The board works great but remember to buy pin headers separately. Soldering was easy.

Anonymous

Feb 14, 2026

Rating: 5/5

Fast shipping and quality item

Arrived well packaged. Tested with ST-Link V2 and everything is recognized immediately.

Anonymous

Feb 06, 2026

Rating: 3/5

Driver issues on Windows

Board is fine but installing the USB drivers took some time. Works fine now though.

Anonymous

Feb 02, 2026

Rating: 5/5

Great upgrade from Arduino Uno

Much faster processing speed. Using it for a home automation sensor node project.

5 FAQ

Q: What programmer do I need to upload code?

A: We recommend using an ST-Link V2 programmer for flashing firmware via SWD interface.

Q: Can I power this board with 5V directly?

A: Yes, you can supply 5V via the USB port or the 5V pin, regulated down to 3.3V for the MCU.

Q: Does this board come with pin headers soldered?

A: No, this board is shipped without pin headers. You will need to solder them separately.

Q: Is this compatible with Arduino IDE?

A: Yes, you can use Arduino IDE by installing the STM32duino bootloader and board manager.

Q: What is the maximum current per GPIO pin?

A: Each GPIO pin can source or sink approximately 25mA. Total current limits apply.

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