
I've used them with an STM32 based BlueSCSI card and they don't work. BlueSCSI will blink five times indicating the card needs to be reformatted. When I plugged the adapter into a full size micro SD card and then into my computer, I tried overwriting the format using "SD Card Formatter". It pretends to format itself for a few minutes and then fails at 99%. Removing the SD card from this adapter and plugging it directly into the computer works great. Do not purchase if you do not wish to return Revain items.

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