Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
CPU Core	ARM Cortex-M3
Max Frequency	72 MHz
Flash Memory	64 KB
SRAM	20 KB
Operating Voltage	3.3V
GPIO Pins	37 Programmable I/O
ADC Resolution	12-bit
Communication Interfaces	UART, SPI, I2C, USB
Board Dimensions	53mm x 23mm
Debug Interface	SWD / JTAG

5 reviews

Anonymous

Mar 28, 2026

Rating: 5/5

Reliable microcontroller

Using this for a home automation project. Stable performance over several weeks.

Anonymous

Mar 26, 2026

Rating: 5/5

Arduino IDE compatible

Successfully uploaded blink sketch using Arduino IDE with the STM32 core package.

Anonymous

Mar 15, 2026

Rating: 3/5

Pinout could be clearer

Board works but the silk screen labels are a bit small to read without a magnifier.

Anonymous

Mar 03, 2026

Rating: 4/5

Good value but needs programmer

Board works fine but remember you need an ST-Link separately to upload code.

Anonymous

Jan 21, 2026

Rating: 5/5

Perfect for embedded learning

Great board for the price. Works well with STM32CubeIDE and all pins are accessible.

5 FAQ

Q: Is this board 5V tolerant?

A: Most GPIO pins are 5V tolerant, but please refer to the datasheet for specific pin configurations.

Q: Does this board come with an ST-Link programmer?

A: No, this listing is for the development board only. Programmer sold separately.

Q: What debugger do you recommend?

A: We recommend the ST-Link V2 for debugging and flashing firmware.

Q: Can I program this using Arduino IDE?

A: Yes, you can use Arduino IDE with the appropriate STM32 core installed.

Q: Is the bootloader pre-installed?

A: Yes, the board comes with a system memory bootloader enabled via jumpers.

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