Recently I was checking out the Atmel's AVR series and I found the Atmega328PB. I am really familiar with Arduino's environment. So I thought if somehow we could bootloader it with Arduino bootloader. My doubt is how can I make a Arduino bootloader for it.

  • 1
    From what I remember the 328PB is not that different from the 328P. I wouldn't be surprised is the default uno bootloader would work without modification.
    – Gerben
    Apr 30, 2017 at 14:49

1 Answer 1


Here are a couple sources of ATmega328PB bootloaders based on optiboot:

I haven't used either. If you are set on making your own at least they can provide you with a reference.

  • Is it fully compatible with Arduino Apr 30, 2017 at 15:01
  • Both projects are specifically written for use with the Arduino IDE, though the bootloaders could be used for any purpose you like.
    – per1234
    Apr 30, 2017 at 15:42

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