Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Core Architecture	ARM Cortex-M0+
Flash Memory	18 KB
SRAM	2 KB
Operating Voltage	3.3V
Max Clock Frequency	24 MHz
GPIO Count	12 Pins
Communication Interfaces	USART, I2C, SPI
Debug Interface	SWD
Board Dimensions	25mm x 20mm
Package Type	TSSOP20

5 reviews

Anonymous

Apr 08, 2026

Rating: 5/5

Great value for money

Cheaper than comparable STM32 boards but performs well for basic tasks. Highly recommended.

Anonymous

Mar 29, 2026

Rating: 4/5

Good but limited IO

The MCU is fast enough, but only 12 GPIOs can be limiting for larger projects. Still good for small nodes.

Anonymous

Mar 27, 2026

Rating: 5/5

Excellent starter board

Works perfectly for learning embedded systems. The pinout is clear and documentation is helpful.

Anonymous

Mar 26, 2026

Rating: 5/5

Easy to debug

SWD interface works smoothly with my ST-Link. Compilation tools are easy to configure.

Anonymous

Mar 24, 2026

Rating: 5/5

Stable performance

Been running this in a prototype for weeks without issues. Low power consumption is a plus.

5 FAQ

Q: What debugger is recommended?

A: Any standard SWD debugger such as ST-Link V2 or J-Link will work perfectly.

Q: Is this compatible with Keil MDK?

A: Yes, this board is fully compatible with Keil MDK and other standard ARM IDEs.

Q: Does it support 5V logic?

A: No, this is a 3.3V logic device. Please use level shifters for 5V components.

Q: Are the pin headers pre-soldered?

A: Yes, the board comes with pin headers already soldered for immediate use.

Q: Can I power this via USB?

A: No, this core board requires an external 3.3V power supply or a carrier board with USB regulation.

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