STM Blue Pill STM32F103C6T6 Development Board

AED 19.95



The STM32F103C6T6 Development Board is a versatile hardware platform designed for electronics prototyping and project development. Powered by the STM32F103C6T6 microcontroller, it offers robust performance with 32K of Flash memory and 10K of RAM. With multiple communication interfaces including I2C, SPI, UART, CAN, and USB, along with GPIO pins supporting external interrupts, it ensures seamless connectivity and efficient event handling. Compact in size and featuring a range of essential components such as crystal oscillators, voltage regulators, and indicator lights, it provides a comprehensive solution for a variety of applications. Ideal for both beginners and experienced developers, this board offers a user-friendly development environment and extensive functionality for exploring and implementing electronic projects.




  • Microcontroller: The board is centered around the STM32F103C6T6 microcontroller, providing a robust foundation for project development.
  • Memory: Equipped with 32K of Flash memory and 10K of RAM, offering ample space for storing program code and runtime data.
  • Peripherals:
    • Timers: 3 (excluding Timer 4)
    • Serial Ports: 2 (excluding Serial Port 3)
  • ARM® Cortex®-M3 CPU: Employs a powerful 32-bit Cortex®-M3 CPU capable of operating at a maximum frequency of 72 MHz, ensuring efficient and responsive performance.
  • Voltage Range: Operates within a voltage range of 2V to 3.6V, providing flexibility and compatibility with various power sources.
  • Communication Interfaces: Supports multiple communication protocols including I2C, SPI, UART, CAN, and USB, facilitating seamless connectivity with external devices and peripherals.
  • GPIO with External Interrupt Capability: Features GPIO pins with external interrupt capability, enabling efficient handling of external events and signals.
  • Real-Time Clock (RTC): Includes a built-in real-time clock for accurate timekeeping and scheduling functionalities.
  • Size: Compact dimensions of 53mm x 23mm, making it suitable for integration into space-constrained projects.
  • Main Chip: Utilizes the STM32F103C6T6 microcontroller as the primary processing unit.
  • Crystal Oscillator: Features an SMD 8M crystal oscillator, capable of achieving frequencies of up to 72M through the internal PLL of the chip, adhering to ST official standard parameters.
  • Voltage Regulator Chip: Incorporates a 3.3V voltage regulator chip with a maximum current output of 800mA, ensuring a stable and reliable power supply to the system.
  • Mini USB Interface: Includes a mini USB interface for powering the system version and reserving USB communication functionality, enhancing convenience and versatility.
  • Reset Button: Provides a reset button for resetting the board and restarting the system as needed.
  • SWD Port: Features a standard SWD port compatible with JLink, STLink, and JLINK OB, facilitating debugging and programming tasks.
  • BOOT Select Port: Includes a BOOT select port for configuring the boot mode of the microcontroller, offering flexibility in system initialization.
  • IO Extension Header: Offers an IO extension header with 20 pins on two connectors, enabling easy expansion and connection with external peripherals.
  • Indicators: Includes a power indicator and a function indicator for verifying the basic functions of the IO ports and system operation.
  • Serial Port: Reserves a serial port for easy connection with a 5V development board, facilitating programming and communication tasks.
  • High-Performance Crystal Oscillator: Incorporates a high-performance Epson 32768Hz crystal oscillator, ensuring reliable startup and operation, even under challenging conditions.
  • Configuration: Configured with 10K of RAM, 32K of ROM, and packaged in a TQFP48 package, offering a balance of performance and efficiency.



  • Microcontroller: Model: STM32F103C6T6
  • Memory: Flash: 32KRAM: 10K 
  • Peripherals:
    • Timer: 3 (Without Timer 4)
    • Serial Ports: 2 (Without Serial Port 3)
  • ARM® 32-bit Cortex® -M3 CPU
  • 72 MHz max CPU frequency
  • Voltage from 2 V to 3.6 V
  • Communication:    I2C, SPI, UART, CAN, USB
  • GPIO with external interrupt capability
  • RTC
  • Size :53 x 23 mm



Pinout of the Board:

Pin Type Pin Number Pin Function
Power -3.3V -5V -GND 1. Working output voltage 2. Powered by USB or 5V external power pin 3. ground pin
Analog PAO-PA7, PBO-PB1 10, 12-bit resolution ADC pins
Input/Output PAO-PA15, PBO-PB15, PC13-PC15 37 general purpose I/O pins
External Interrupt PAO-PA15, PBO-PB15, PC13-PC15 Interrupt Pin
PWM PAO-PA3,PA6-PA10, PBO-PB1,PB6-PB9 15 Pulse Width Modulation
Serial Communication (UART) TX1, RX1, TX2, RX2, TX3, RX3 RTS、CTS USART pins
SPI MISO0, MOSI0, SCK0, MISO1, MOSI1, SCK1, CS0 2 serial peripheral interface pins
CAN CAN0TX,CAN0RX Controller Area Network bus pins
I2C SCL1, SCL2, SDA1, SDA2 Inter-IC serial data and clock pins
Built-in LED PC13 LED indication

STM32F103C6T6 Datasheet


Package includes:

  • 1 x STM32F103 C8T6/C6T6 Single Chip Development Board with unsoldered pins