STM32F103C8T6 32-Bit ARM Cortex-M3 Development Board (Blue Pill)
The STM32F103C8T6 Development Board, commonly known as the Blue Pill, is a compact and powerful microcontroller board based on the 32-bit ARM Cortex-M3 core. It offers high performance at a low cost, making it ideal for embedded systems development, robotics, IoT applications, and more.
This board is highly favored by makers and professionals for its rich peripheral support, 32KB SRAM, and 64KB Flash memory.
✅ Key Features
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Powered by STM32F103C8T6 ARM Cortex-M3 processor
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Clock speed: 72 MHz
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64 KB Flash Memory
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20 KB SRAM
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USART, SPI, I2C, ADC, PWM, USB support
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32 GPIO pins with multiple alternate functions
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Onboard mini USB port (USB-to-serial via bootloader)
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Can be programmed using STM32CubeIDE, Arduino IDE (with STM32 core), or PlatformIO
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Supports in-circuit programming/debugging via ST-Link V2
📦 Package Includes
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1 × STM32F103C8T6 Development Board (Blue Pill)
⚙️ Technical Specifications
Parameter | Value |
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Microcontroller | STM32F103C8T6 |
Architecture | ARM Cortex-M3 |
Clock Speed | 72 MHz |
Flash Memory | 64 KB |
SRAM | 20 KB |
Operating Voltage | 3.3V (5V tolerant I/O) |
I/O Pins | Up to 37 GPIO |
Interfaces | USART, SPI, I2C, ADC (12-bit), USB, PWM |
Dimensions | 53mm × 22mm |
USB Connector | Mini USB |
💡 Tip: The STM32 Blue Pill is a great alternative to Arduino boards when you need faster performance, more I/O options, and lower power consumption.