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Topic: Modulo SD-card no works MMC (Read 1 time) previous topic - next topic


i make a module SD-card

I used R1 and R2 4k7 and 2k smd available,

no longer works with MMC card
"Initializing SD card ... Card failed"

works with standard SD and Micro SD-card.
And all card is formatted with FAT.

Can someone help me?


The Arduino SD.h library has never supported MMC cards.


Good to know that the problem has to do with my setup.
Is there any solution for this?
Some alternative library?

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