Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller Model	STM32F103C8T6
CPU Core	ARM Cortex-M3
Max Clock Speed	72 MHz
Flash Memory	64 KB
SRAM	20 KB
Operating Voltage	3.3V
Input Voltage	3.3V - 5V
Digital I/O Pins	35
Analog Input Channels	10
Board Size	53mm x 23mm

5 reviews

Anonymous

Apr 13, 2026

Rating: 5/5

Fast shipping

Arrived quickly and works as expected. No issues with voltage regulation.

Anonymous

Feb 20, 2026

Rating: 4/5

Good quality

Board is solid but headers were not included. Had to solder them myself.

Anonymous

Feb 18, 2026

Rating: 3/5

Documentation needed

Pinout was confusing at first. Recommend downloading the datasheet.

Anonymous

Jan 27, 2026

Rating: 5/5

Great value

Can't beat the price for an ARM Cortex-M3 board. Runs Arduino sketches well.

Anonymous

Jan 24, 2026

Rating: 5/5

Excellent starter board

Works perfectly for my embedded systems class. Easy to program with ST-Link.

5 FAQ

Q: Does this board come with pin headers?

A: No, this board typically comes without headers soldered. You will need to solder them separately.

Q: Can I power it via USB?

A: Yes, you can power the board using the micro USB port or the 5V pin.

Q: Is the 5V pin output or input?

A: The 5V pin can be used as input for power or output if powered via USB.

Q: Is it compatible with Arduino IDE?

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

Q: What programmer do I need?

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

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