Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
CPU Core	ARM Cortex-M3
Flash Memory	256 KB
SRAM	48 KB
System Clock	72 MHz
Operating Voltage	3.3V
Input Voltage	5V (via VIN)
GPIO Pins	51 Available
Debug Interface	SWD / JTAG
Board Dimensions	53 x 23 mm
Weight	12 grams

5 reviews

Anonymous

Apr 13, 2026

Rating: 5/5

Reliable for prototyping

Used this for multiple prototypes. USB connectivity is stable and bootloader works out of the box.

Anonymous

Mar 21, 2026

Rating: 5/5

Perfect for embedded projects

This board works flawlessly with STM32CubeIDE. The pinout is clearly marked and the build quality is solid.

Anonymous

Mar 14, 2026

Rating: 4/5

Good value, headers not included

Board works great but comes without soldered headers. Expect to do some soldering work yourself.

Anonymous

Feb 17, 2026

Rating: 5/5

Easy to start with

As a beginner, I found plenty of tutorials online for this specific chip. Highly recommended for learning.

Anonymous

Jan 30, 2026

Rating: 5/5

Great Blue Pill alternative

I needed a reliable MCU for a sensor project. This 401RCT6 version has enough memory and runs cool.

5 FAQ

Q: What debugger do you recommend?

A: We recommend using an ST-Link V2 debugger for SWD programming and debugging.

Q: Can I power this via USB?

A: Yes, the Micro USB port provides power and data connectivity for programming.

Q: Is the crystal oscillator included?

A: Yes, the board comes with an 8MHz crystal oscillator installed.

Q: Is this compatible with the Arduino IDE?

A: Yes, you can use the STM32duino bootloader package to program this board via Arduino IDE.

Q: Does it support 5V logic levels?

A: No, the GPIO pins are 3.3V logic. Use a level shifter if connecting to 5V devices.

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