• Based on F4 series cheapest chip STM32F401CCU6, competitive price to F1 series
  • But faster speed and own the float calculation function
  • Board lead out all IOs for use.

On board resources:

  • VB can connect coin battery power supply
  • On board 32.768Khz crystal, and 25Mhz main crystal
  • Typc-C programming port
  • V+/V- can connect external ADC reference voltage, default to power voltage.
  • B2 boot select pin is selectable for boot configuring or normal GPIO.
  • SW debug port
  • Reset buttons.

Schematic please find on this page. 

Additional information

Weight 0.015 kg


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