Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller Unit	STM32F103RCT6
CPU Architecture	ARM Cortex-M3 32-bit
Flash Memory Capacity	256 KB
Static RAM	48 KB
Maximum Frequency	72 MHz
Logic Voltage	3.3V
Power Input	5V via Micro USB
Available GPIOs	51 Pins
PCB Dimensions	53mm x 23mm
Package Weight	15g

5 reviews

Anonymous

Mar 11, 2026

Rating: 4/5

Good but needs care

Board works well but be careful with 5V tolerance on GPIOs. They are 3.3V logic. Otherwise satisfied.

Anonymous

Feb 19, 2026

Rating: 5/5

Great Value Core Board

Bought this for a university project. Works flawlessly with STM32CubeIDE. Pin headers are well soldered.

Anonymous

Feb 16, 2026

Rating: 5/5

Reliable Supplier

Fast shipping and well packaged. Tested all pins and voltage regulators are stable.

Anonymous

Jan 27, 2026

Rating: 5/5

Perfect for Embedded Projects

The UART download feature saves so much time. No external programmer needed for basic sketches. Board quality is excellent.

Anonymous

Jan 21, 2026

Rating: 5/5

Compact and Powerful

Fits easily into small enclosures. The 256KB flash is plenty for my control logic applications.

5 FAQ

Q: Does it support SWD debugging?

A: Yes, there are dedicated pins for SWD debugging interface.

Q: What bootloader is pre-installed?

A: It comes with a serial UART bootloader for easy firmware updates.

Q: Can I use 5V sensors directly on GPIO?

A: No, the GPIO pins are 3.3V logic level. Use a level converter for 5V sensors.

Q: Does this come with a USB cable?

A: No, the USB cable is not included in the package.

Q: Is documentation provided?

A: Yes, a link to the schematic and pinout diagram is provided in the package.

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