Hi all, I hope this is a very stupid question, so the answer could be easy. I'm using the code below with an Arduino UNO rev.3 and an SD card connected as follow. Connection: The circuit: * SD card attached to SPI bus as follows: ** MOSI - pin 11 on Arduino Uno/Duemilanove/Diecimila ** MISO -…

Error opening file SD library

dannable September 28, 2017, 7:11am 4

Try using a filename in 8.3 format? It could be that the filename is too long.

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