DEV Board Design

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Prepare

  • Check official development board, make sure BSP match,
  • PGI (Programmable GPIO): Button, LED, etc


Power Supply

  • Power supply option: USB, USB+Battery, Button Cell Battery, etc


From Factor

  • Compatible Shield?


LED

  • Seperate Power LED and GPO LED

Do Good Silk Print Design

  • Clear
  • Seperate PA PB PC ... by line mark

Fill

  • Fill the ground and more vias