SPI between 2 Arduinos one as master and one as slave

CrossRoads May 1, 2015, 7:03pm 21

The SD card has proper 3.3V buffering on it? So when its CS is high it's totally isolated?
Same for the slave - when its CS is high, it's not interfering with the bus?

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SPI between 2 Arduinos one as master and one as slave

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