What is the maximum SD card size for pyboard 1.1?

The official pyboard running MicroPython.
This is the reference design and main target board for MicroPython.
You can buy one at the store.
Target audience: Users with a pyboard.
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bittware
Posts: 45
Joined: Mon Aug 18, 2014 3:27 am

What is the maximum SD card size for pyboard 1.1?

Post by bittware » Mon May 16, 2022 4:01 am

Hi
What is the maximum SD card size for pyboard 1.1?
What are the main factors that limit the size of SD cards?
Thanks

smhodge42
Posts: 5
Joined: Sat Nov 13, 2021 6:17 pm

Re: What is the maximum SD card size for pyboard 1.1?

Post by smhodge42 » Mon May 16, 2022 6:02 pm

I use 32 GB without any problems. I don't think anything larger will work.

bittware
Posts: 45
Joined: Mon Aug 18, 2014 3:27 am

Re: What is the maximum SD card size for pyboard 1.1?

Post by bittware » Wed Jun 01, 2022 3:08 am

I just successfully mounted a 256GB sd card.
It seems as long as you could format the sd card to FAT32, the pyboard could recognize it although may take longer time.
BTW, you may need a third party tool, like fat32format (http://ridgecrop.co.uk/index.htm?guiformat.htm) to format the sd card that is larger than 32GB to FAT32 in win10 environment.

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