Product Description
The STM32F103C8T6 Minimum System Board is a compact development board built around the popular STM32F103C8T6 ARM Cortex-M3 32-bit microcontroller — often referred to as the “Blue Pill.” This board integrates essential components such as clock crystals, voltage regulators, power filtering, and header pins to form a ready-to-use microcontroller core system suitable for embedded applications.
The board offers multiple digital I/O pins, ADC channels, UART/SPI/I2C buses, PWM outputs, and timers, making it perfect for motor control, sensor systems, robotics, real-time processing, automation controllers, and IoT endpoints. With flashing options via USB-to-Serial adapters (e.g., FTDI/CH340), and development support from Keil, STM32CubeIDE, PlatformIO, and Arduino (STM32 core), it serves both beginners and experienced developers.
Key Features
STM32F103C8T6 microcontroller — ARM Cortex-M3 core
Runs up to 72 MHz CPU clock speed
64 KB Flash memory + 20 KB SRAM
Multiple digital I/O and analog channels
Supports UART, SPI, I2C, PWM, ADC workflows
Compatible with popular IDEs: STM32CubeIDE, Keil, Arduino
Breadboard-compatible pin layout
Low-power operation with advanced timers & DMA
Package Includes
1 × STM32F103C8T6 Minimum System Board
(USB-to-Serial cable or adapter not included)
Technical Specifications
Parameter | Specification |
MCU | STM32F103C8T6 ARM Cortex-M3 |
CPU Speed | Up to 72 MHz |
Flash Memory | 64 KB |
SRAM | 20 KB |
Operating Voltage | 3.3 V |
I/O Voltage | 3.3 V |
Digital I/O | ~37+ pins |
ADC Channels | 10× 12-bit ADC |
Communication | UART, SPI, I2C |
PWM Outputs | Available on multiple pins |
Clock | 8 MHz Crystal + 32 kHz RTC |
Package | DIP-style headers |
Dimensions | ~53×22 mm |
Applications
Embedded system prototyping
Sensor signal acquisition & control
Robotics & automation boards
Brushless DC & stepper motor control
Data logging and telemetry
Real-time processing tasks
IoT gateway & peripheral nodes
Educational ARM programming projects