Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards
Origin	-
Core Processor	ARM Cortex-M3 32-bit RISC
Maximum Frequency	72 MHz
Flash Memory	64 KB
SRAM	20 KB
Operating Voltage	3.3V (Logic), 5V (Input via VIN)
GPIO Pins	37 General Purpose I/O Pins
Communication Interfaces	3x USART, 2x SPI, 2x I2C, USB, CAN
ADC Resolution	12-bit, up to 21 channels
Connector Type	Gold-plated pin headers for durability
Dimensions	53mm x 23mm x 10mm

6 reviews

Anonymous

Mar 28, 2026

Rating: 5/5

Perfect for learning ARM architecture

This board is exactly what I needed to transition from Arduino to STM32. The gold plating on the pins ensures a solid connection with my breadboard, and the documentation provided by the seller was helpful for setting up the toolchain.

Anonymous

Mar 28, 2026

Rating: 4/5

Good board, steep learning curve

The hardware is fantastic, but if you are coming from 8-bit microcontrollers, expect a learning curve. The community support is huge though, which helped me get past the initial setup hurdles.

Anonymous

Mar 26, 2026

Rating: 5/5

Excellent compatibility with STM32CubeIDE

Flashed my first program within an hour of receiving the board. The HAL library works perfectly, and the clock configuration is straightforward. The build quality feels premium despite the low price.

Anonymous

Mar 14, 2026

Rating: 4/5

Great value, minor soldering needed

The chip performs well at 72MHz. Note that some versions come without headers soldered, so be prepared to do a little work. Once set up, it handles complex PWM and ADC tasks effortlessly.

Anonymous

Mar 09, 2026

Rating: 5/5

Bought 10 for our university lab

We equipped our entire robotics workshop with these modules. They are robust, cheap, and powerful enough for student projects involving motor control and sensor fusion. Highly recommended for educational use.

Anonymous

Mar 05, 2026

Rating: 5/5

Reliable for prototyping industrial controls

Used this for prototyping a conveyor belt controller. The multiple timers and communication interfaces (UART, SPI, I2C) make it very versatile. It has been running continuously for weeks without issues.

5 FAQ

Q: Is the Arduino IDE compatible with this STM32F103C8T6 board?

A: Yes, you can use the Arduino IDE by installing the 'STM32duino' board package. This allows you to write code using the familiar Arduino framework while leveraging the power of the Cortex-M3 core.

Q: Are the pin headers pre-soldered on this module?

A: It depends on the specific option selected at purchase. Most standard listings ship with unsoldered pins to allow for flexible mounting, but please check the product images or description for 'pre-soldered' indications.

Q: What is the maximum current draw per GPIO pin?

A: Each GPIO pin can source or sink a maximum of 25mA. However, the total current summed across all ports should not exceed the limits specified in the official STM32F103 datasheet to avoid damaging the chip.

Q: Does this board come with a built-in programmer or do I need an ST-Link?

A: This specific module does not have a built-in programmer. You will need an external ST-Link V2 or similar debugger/programmer to flash code onto the chip via the SWD interface.

Q: Can I power this board directly via USB?

A: No, this board lacks a USB-to-UART bridge and voltage regulator for USB power. You must supply 3.3V directly to the 3.3V pin or use an external 5V source connected to the VIN pin if your specific variant includes a regulator.

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