I was looking at learn.sparkfun.com and found something that might be useful to a number of people. http://dlnmh9ip6v2uc.cloudfront.net/lea … _Sheet.pdf
It’s a great idea - one compact page with a ton of Arduino info on it. The only negative I saw was that it’s not for Arduino 1.0. That means the wire lib info is wrong, for example. There are few things that seem odd - like the String section wastes a lot of space. The I2C wiring diagram is a mess.
But it still is worth having around.