STM32F103C8T6 Blue Pill

The STM32F103C8T6 Blue Pill is a powerful ARM Cortex-M3 development board offering superior performance to Arduino boards at a fraction of the cost. With 72MHz clock, 64KB flash, and rich peripherals, it is ideal for advanced embedded systems.

Key Features

• ARM Cortex-M3 32-bit processor at 72MHz
• 64KB flash memory and 20KB SRAM
• 37 GPIO pins with multiple alternate functions
• Rich peripherals including 3 USART, 2 I2C, 2 SPI, CAN, USB
• 12-bit ADC with 10 channels
• 4 timers with PWM, input capture, and output compare
• Low cost with professional-grade performance

Technical Specifications

Applications

• Real-time control systems requiring fast processing
• Advanced robotics with complex algorithms
• Industrial automation and process control
• USB device development
• CAN bus communication systems
• High-speed data acquisition and signal processing

Important Notes

• Operates at 3.3V – use level shifters for 5V sensors
• Install STM32 core in Arduino IDE or use STM32CubeIDE
• USB bootloader may need initial flash via ST-Link or serial
• Some boards have incorrect USB pull-up resistor – check schematic
• ST-Link V2 recommended for debugging