STM32

Features

• STM32F103
  • 72 MHz
  • 64KB Flash
  • 20 KB SRAM
  • 3.3V
  • 16 MHz
  • 2x12-bit, A/D converter
  • 7-channel DMA controller
  • SPI, I2C, UART interfaces
  • 7 timers
• MicroUSB
• Reset button
• Download jumper
  • Replaced with a slide switch
• Power LED
• PC 13 LED
• SWD connector
• RTC crystal

Uploading Code

• FTDI connection to Blue Pill Hub FTDI connector
• Set Switch (or jumper) on Blue Pill module set towards center of card to download
• In Arduino IDE,
  • Tools
    • Board "Generic..."
    • Upload method: "Serial..."
    • Port: [the comm port]

• Upload code
  • Takes a while
• Set Switch (or jumper) on Blue Pill module set towards edge of card to run
• Press reset button

Annotated

Mechanicals

Schematics

Boot Jumpers