Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller Model	CH32F103C8T6
Core Architecture	ARM Cortex-M3 Compatible
Max Clock Frequency	72 MHz
Flash Memory	64 KB
SRAM Capacity	20 KB
Operating Voltage	3.3V DC
Debug Interface	SWD / JTAG
GPIO Count	37 Programmable I/O
USB Interface	USB Type-C
Board Dimensions	53mm x 23mm

5 reviews

Anonymous

Mar 19, 2026

Rating: 5/5

Easy to start with

My first ARM board. The examples helped me get LED blinking in minutes.

Anonymous

Feb 25, 2026

Rating: 5/5

Perfect STM32 Alternative

Works flawlessly with MounRiver Studio. Pinout matches the blue pill exactly.

Anonymous

Feb 03, 2026

Rating: 4/5

Good board, minor docs issue

Hardware is solid. Wish the English documentation was more detailed.

Anonymous

Jan 28, 2026

Rating: 5/5

Fast shipping and genuine

Verified the chip markings. Youxin Electronics sent the real deal.

Anonymous

Jan 28, 2026

Rating: 5/5

Great value for money

Bought five for my students. All programmed successfully without issues.

5 FAQ

Q: Do you provide schematic files?

A: Yes, schematics are available on our product wiki page.

Q: Can I power this via 5V USB?

A: Yes, the board has a regulator. You can power via USB or VIN pin.

Q: Is the chip pre-flashed with bootloader?

A: Yes, it comes with a UART bootloader for easy programming.

Q: Is this compatible with Arduino IDE?

A: Yes, but you need to install the specific CH32 core package via Board Manager.

Q: What debugger do you recommend?

A: We recommend the WCH-LinkE or any standard SWD debugger.

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