This pair of 4 pin Female/Male header strips is very useful for Arduino board extensions. They can be used with any Arduino shield because of their height.
These are assorted headers that are great for many projects. They are spaced with the standard 2.54mm or 0.1". (5) 2, 3, and 4 pin headers. (3) 5 pin headers, and (2) 10 pin headers.
SparkFun's minimal design approach to Arduino. This is a 5V Arduino running the 16MHz bootloader.
This is a Custom Configuration HD2 Mastiff Robot with a 6 axis robotic manipulator arm with a FLIR camera installed. This robot is loaded with all the options and is ready to ship.