Comments (3)
Are you pulling chip select high on the second device to to be initialized so it won't interfere with initializing of the first device?
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I am also facing the same issue. Did you find a solution ?
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Not all SD breakouts are the same. The ones that use a logic level shifter to work with 5V Arduinos tend not to work well with 3.3V MCUs. SD SPI is 3.3V so the sort of breakout you need should just have some resistors and capacitors on it, no voltage regulator or level shifter.
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