Tag Archives: Adafruit Industries

Wave Shield and Arduino Mega 2650

I received a gift of a Adafruit Wave shield and after assembling it using the excellent instructions on the Adafruit site I could not get it too work.  The problem was the SD card would not initialize.  After trying two different SD cards, checking the forums, and re-checking all my solder joints I could not get it too work.  I decided to test the SD cards with an ethernet shield I also have for the Arduino.  The SD cards refused to work in this shield as well.  After a bit more reading I discovered that the issue was the SPI ports on my Arduino Mega are in different locations.  The following fix also works for the Mega 1280.

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