добавил ещё несколько примеров для I2C

libraries/SPI/examples/SDcard_readInfo/SDcard_readInfo.ino

@@ -1,9 +1,7 @@
 
 /*
   An SD card connected via SPI is used for this test. 
-  The example is taken from the arduino SD library.
-
-  https://github.com/arduino-libraries/SD
+  The example uses the SD library, it must be installed first.
 */
 
 #include <SPI.h>