STM32F103C8T6 Blue Pill Development Board – Soldered Headers

Power

• Operating Voltage: 3.3V (can be powered via USB or an external 3.3V power supply).
• Current Consumption:  low, depending on the workload and peripherals connected.
• Power Sources: Can be powered via the micro USB port or directly through the 3.3V and GND pins.

Input and Output

• Input:
  • Analog Inputs: Up to 10 analog inputs available through the ADC channels.
  • Digital Inputs: Numerous GPIO pins available for digital input, such as buttons, sensors, or external signals.
• Output:
  • Digital Outputs: GPIO pins can be used for controlling LEDs, relays, or other digital devices.
  • PWM Outputs: 12 channels available for controlling motors, LEDs, and other PWM-compatible devices.
  • Communication Outputs: SPI, I2C, USART, CAN, and USB interfaces available for data transmission to other devices.

Physical Characteristics

• Size: Compact board size of approximately 5.3 cm x 2.2 cm, ideal for embedding in various projects.
• Headers: Pre-soldered headers make it easy to use the board with breadboards or other connectors.
• Micro USB Port: For power, programming, and communication, conveniently located on the side of the board.
• Reset and Boot Buttons: Onboard buttons for resetting the board or entering bootloader mode for firmware updates.

Technical Specifications

• Microcontroller Core: ARM Cortex-M3, 32-bit processing with 72 MHz clock speed.
• Memory: 64 KB of flash memory, with some versions supporting up to 128 KB, and 20 KB of SRAM.
• I/O Pin Voltage Levels: 3.3V logic level, ensuring compatibility with most modern sensors and peripherals.
• Operating Temperature:  -40°C to +85°C, suitable for various environments.
• USB Interface: Full-speed USB 2.0 for programming, power, and communication.

Additional Features

• Bootloader Support: Can be programmed via USB using the bootloader, or through SWD for more advanced debugging.
• Extensive Library Support: Supported by popular development environments like Arduino IDE, STM32CubeIDE, and PlatformIO, with a wide range of libraries available.
• Low Power Consumption: Suitable for battery-powered projects, especially with power-saving modes available in the STM32F103C8T6.
• Versatile Development Board: Ideal for learning, prototyping, and developing a wide range of embedded systems and IoT projects.

How to Use

• Power the Board:
  • Use the micro USB port to power the board or connect a 3.3V supply to the 3.3V and GND pins.
• Program the Board:
  • Connect the board to your computer via USB.
  • Use the Arduino IDE or STM32CubeIDE to write and upload code. Select the appropriate board settings in the IDE.
• Connect Peripherals:
  • Use the pre-soldered headers to connect sensors, displays, or other modules directly to the GPIO pins.
  • Use SPI, I2C, or USART interfaces to communicate with other devices.
• Test and Debug:
  • Use the built-in LED and serial output for basic testing.
  • For more complex debugging, use the SWD interface with a compatible debugger.
• Deploy Your Project:
  • Once tested, the board can be embedded into your project, utilizing the small form factor and multiple I/O options.

The STM32F103C8T6 Blue Pill Development Board with soldered headers is a robust and flexible platform for embedded systems development. Its compact size, powerful features, and ease of use make it a popular choice for both beginners and experienced developers working on a wide range of projects.