Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller	STM32F103RCT6
Flash Memory	256 KB
SRAM	48 KB
Main Frequency	72 MHz
USB Interface	Type-C
USB to TTL	CH340
Operating Voltage	3.3V
Input Voltage	5V via USB
GPIO Pins	All Available
Dimensions	22 x 17 mm

5 reviews

Anonymous

Apr 14, 2026

Rating: 5/5

Genuine STM32

Verified the chip ID using ST-Link. No clones here, very satisfied.

Anonymous

Apr 04, 2026

Rating: 5/5

Fast delivery

Arrived well protected. Tested all GPIO pins and they work as expected.

Anonymous

Feb 12, 2026

Rating: 5/5

Perfect for drone builds

Compact size fits perfectly in my custom flight controller. Chip is genuine.

Anonymous

Feb 07, 2026

Rating: 5/5

Great value

Works out of the box with Arduino IDE. CH340 drivers installed easily.

Anonymous

Jan 19, 2026

Rating: 4/5

Good but small

Board is very small, soldering requires steady hands. Performance is excellent.

5 FAQ

Q: Are pin headers included?

A: This option does not include headers. Please solder your own pins.

Q: What is the current consumption?

A: Typical consumption is around 20mA depending on peripheral usage.

Q: Does this support SWD debugging?

A: Yes, SWD pins are broken out for ST-Link debugging.

Q: Can I power it with 5V directly?

A: Yes, you can supply 5V via the USB port or VIN pin.

Q: Is the CH340 driver needed?

A: Yes, please install CH340 drivers for serial communication on Windows.

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