needs to recover the bootloader for Mini Ultra

[sapdemon]

Dear Lim,
I’ve received my order with Mini Ultra – it`s cool! thx!
I`m working on my program for it. I use PlatformIO for the development process.
And I faced with the issue when I tried to flash program by J-Link via SWD port.

If right understood, PlatformIO break the bootloader, and one of the board can`t work after it.
Could you tell me what kind of bootloader do you use for Mini Ultra?
I really need a good bootloader for low power consumption. With yours one I got 17-21uA in standby mode. And it`s very good result.

So, if you would be so kind and help me with this issue, it will be great!
Best regards,
Dmytro

[LIM PHANG MOH]

Hi Dmytro,
You can use the Arduino Zero (Native USB) bootloader in the Arduino IDE.

I really need a good bootloader for low power consumption.

Bootloader doesn’t dictate the low power but the application code does.

• This reply was modified 6 years ago by LIM PHANG MOH.

[sapdemon]

Hi Lim,

Thx, it works.
Do you use Arduino Zero (Native USB) bootloader for the Mini Ultra board too?
Or yours custom bootloader? If second, what is the difference?

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