My Arduino kit is en-route but I was perusing the Arduino Forums and found what looks like a very useful diagram that a person made and they are giving it away. You can see one of them below. The links to the PDF files are in the thread here - Link to diagrams
They look to be very useful diagrams.
Free Arduino Uno Pinout Diagrams
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Please be positive and constructive with your questions and comments.
Please be positive and constructive with your questions and comments.