Mini ARM STM32 development board STM32F103C6T6

SKU: DEV-020

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Mini ARM STM32 development board STM32F103C6T6 (Blue Pill).

This board is a low-cost Minimum System Development Board for ARM Microcontroller – STM32F103C6T6. Board is suitable for learners that want to learn STM32 microcontroller with ARM Coretex-M3 32-bit core. I love my Arduino Uno and mega but if you need more horsepower and a cheaper price than an Uno then take a look at these boards.


  • Mini USB interface, you can give the board power supply and USB communication.
  • test indicator LED
  • reset button and power indicator LED
  • 00ma 3.3V Regulator
  • All GPIO are led out and the names of the pins are marked
  • After soldering the headers, you can directly plug the board onto a breadboard


Mini ARM STM32 development board specs

  • CPU Part Number: STM32F103C6T6
  • Core: ARM 32 Cortex-M3 CPU.
  • Debug mode: SWD (can be programmed with ST-LINK V2)
  • CPU Internal Maximum Clock: 72MHz
  • External Clock Source: 8MHz crystal
  • 32K flash memory, 20K SRAM
  • 2.0-3.6V power, I/O
  • Reset(POR/PDR)
  • Size:5.3cm x 2.2cm


Mini ARM STM32 development board programming instructions using STM flash loader

  1. Set Boot Jumper-0 to 1
  2. Set Boot Jumper-1 to 0
  3. Connect USB-TTL Converter’s TX to PA10 on STM Board
  4. Connect USB-TTL Converter’s RX to PA9 on STM Board
  5. Give 3.3V power to the STM board using a USB TTL converter
  6. Press and release the reset button once
  7. Launch STM Flash Loader, Select Port Name (where your USB TTL converter is connected)
  8. Select Parity as Even, Baud rate as 115200, Echo Disabled, and Timeout 10s
  9. Press Next, and follow on-screen instructions to program, erase or read the STM microcontroller


  • 1x STM32 ARM Minimum System Development Board – STM32F103C6T6
  • 1x 40 Pin header array

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