I am trying to connect SD card with arduino without using a shield. To convert to 3.3v, I have used voltage divider circuit as described in these two sites:



When I uploaded the code i got the following error on serial monitor:

Initializing SD card...initialization done.

error opening test.txt
error opening test.txt

  • Can you show us your code and circuit diagram? – Peter Bloomfield Feb 14 '15 at 11:35
  • !SD card link – explorer Feb 14 '15 at 15:07
  • The code is exactly of Examples/SD/ReadWrite – explorer Feb 14 '15 at 15:13
  • Is the SD card properly formatted. FAT or FAT32? – Gerben Feb 14 '15 at 20:21
  • Yes, it has been formatted to FAT32. – explorer Feb 15 '15 at 7:58

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