MINI-MAX/STM32F1-C is a general purpose, low-cost, highly-reliable and highly-expandable micro-controller system, based on the STMicroelectronics STM32F103VGT6 ARM® Cortex™-M3 32-bit MCU.


  • 8 MHz crystal, with up to 72 MHz internal operation
  • Ultra Low Power, USB or Battery operation possible, peripheral shutdown capability
  • Holder for MicroSD cards
  • Two RS232 Serial Ports with RTS/CTS handshake lines
  • USB Device port
  • JTAG programming interface
  • Keypad connector
  • LCD connector ( programmable contrast adjustment for the LCD )
  • JTAG connector
  • Screw terminal block for analog circuits
  • Expansion bus interface to low-cost peripheral boards
  • 3.3 Volt on-board regulator