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STM32F103C6T6 “Blue Pill” Development Board
Product Overview
The STM32F103C6T6 Blue Pill from Pro Tronix is a powerful entry point into the world of 32-bit ARM microcontrollers. While it shares the same small footprint as an Arduino Nano, the “Blue Pill” is a much more capable machine, running at 72MHz—nearly 4.5 times faster than a standard Uno.
This board is based on the STM32F103C6T6 chip, which is the streamlined sibling of the C8T6. It features 32KB of Flash and 10KB of RAM, making it perfect for efficient, high-speed applications like drone controllers, digital signal processing (DSP), and complex motor control. It includes a Micro-USB port for power and basic communication, and a dedicated SWD header for professional debugging and programming.
Technical Specifications
| Feature | Specification |
| Microcontroller | STM32F103C6T6 (ARM Cortex-M3) |
| Clock Speed | 72 MHz |
| Operating Voltage | 2.0V – 3.6V (3.3V Logic) |
| Flash Memory | 32 KB |
| SRAM | 10 KB |
| Digital I/O Pins | 32 (Many are 5V tolerant) |
| Analog Inputs | 10 Channels (12-bit ADC) |
| Communication | 2x USART, 1x I2C, 1x SPI, 1x CAN 2.0B |
| Dimensions | 53mm x 22.5mm |
| USB Interface | Micro-USB (Power & Serial) |
| Supplier | Pro Tronix |
Key Features
32-Bit Processing: Massive computational advantage over 8-bit boards for math-heavy or real-time tasks.
12-bit ADC Precision: Offers 4,096 levels of resolution for analog sensors—4 times finer than the 10-bit ADC found on most Arduino boards.
Dual Boot Jumpers: Built-in jumpers (BOOT0 and BOOT1) allow you to easily switch between flash execution and the system bootloader for programming.
Breadboard Ready: Slim design allows you to plug it into a breadboard while leaving rows free for jumper wires.
Arduino & STM32Cube Compatible: Can be programmed via the Arduino IDE (using the STM32Duino core) or professional tools like STM32CubeIDE.
Common Applications
High-Speed Data Logging: Sampling sensors at high frequencies thanks to the 72MHz clock.
Advanced Motor Control: Using high-resolution PWM for smooth brushless or stepper motor operation.
Industrial Protocols: Communicating via CAN bus in automotive or industrial automation environments.
Edge Computing: Running lightweight AI algorithms or complex filters locally on the device.
💡 Pro Tip: To program this board using the Arduino IDE, we highly recommend using an ST-Link V2 Programmer. While it can be programmed via Serial (UART), the ST-Link allows for real-time debugging and much faster code uploads.
You can see our available development boards and ARM solutions from here: Development Boards | Pro Tronix
