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Added Serial port check to all examples using Serial statements in the setup
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@ -11,7 +11,7 @@
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created Nov 2010
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by David A. Mellis
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updated 2 Dec 2010
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modified 2 Apr 2012
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by Tom Igoe
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This example code is in the public domain.
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@ -24,7 +24,10 @@ File myFile;
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void setup()
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{
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// Open serial communications and wait for port to open:
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Serial.begin(9600);
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while(!Serial) ;
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Serial.print("Initializing SD card...");
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// On the Ethernet Shield, CS is pin 4. It's set as an output by default.
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// Note that even if it's not used as the CS pin, the hardware SS pin
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