STM32F103C8T6 Minimum System Development Board | ARM Cortex-M3 Microcontroller Board | STM32 Core Board for Embedded & IoT Projects

Technical Specifications

• Model: STM32F103C8T6
• Microcontroller Core: ARM Cortex-M3
• Operating Frequency: 72 MHz
• Flash Memory: 64 KB (sometimes 128 KB unofficial)
• SRAM: 20 KB
• Operating Voltage: 3.3V
• I/O Voltage: 3.3V (5V tolerant pins)
• GPIO Pins: Up to 37 I/O
• Communication Interfaces:
  • 2 × I2C
  • 3 × USART
  • 2 × SPI
  • 1 × CAN
  • USB 2.0 (Device Mode)
• Timers: 4 × 16-bit timers + 1 × 32-bit timer
• ADC: 10-channel, 12-bit ADC
• Clock Source: 8 MHz external crystal, 32.768 kHz RTC crystal
• Programming Interface: SWD (Serial Wire Debug)
• Power Input: 5V via USB or 3.3V direct pin
• Dimensions: Compact minimum system layout
  
  
  

Technical Description

The STM32F103C8T6 Minimum System Board is a high-performance ARM Cortex-M3 based microcontroller module designed for embedded systems, automation, robotics, IoT devices, and advanced electronics projects. Featuring a powerful 72 MHz CPU, along with 64 KB Flash, 20 KB SRAM, and multiple communication interfaces (I2C, SPI, USART, CAN, USB), this board offers excellent performance at low power consumption.

Commonly known as the Blue Pill STM32 board, it supports programming via SWD, and works seamlessly with STM32CubeIDE, Arduino IDE (via STM32 core), Keil, and PlatformIO. The onboard 8 MHz crystal and RTC crystal ensure stable timing for precision applications.

Ideal for embedded development, motor control, sensors, robotics, data logging, and IoT systems, the STM32F103C8T6 board provides a reliable, cost-effective alternative to Arduino with significantly higher processing capability.