Board overview

https://www.electrodragon.com/product/stm32f405-mini-development-board-micropython-compatible-pyboard/

STM32F405RGT6

  • LQFP-64

Pin Map

Used Pin

  • LED1~4 PA13 14 15, PB4
  • button PB3, reset
  • pull-up PB6 PB7 PB10 PB11

demo testing code

import pyb

while True:
    pyb.LED(1).on()
    pyb.LED(2).on()
    pyb.LED(3).on()
    pyb.LED(4).on()
    pyb.delay(500)

    pyb.LED(1).off()
    pyb.LED(2).off()
    pyb.LED(3).off()
    pyb.LED(4).off()
    pyb.delay(500)

demo

  • https://t.me/electrodragon3/214

  • https://www.youtube.com/shorts/9bh4UcXXi5E

ref