Got a couple of 7segment displays.

Toying with them, built a breadboard version of the Physical DIGG button (called it a Like button). It should go onto perfboard and into a case, nice for demo purposes.

Helpfull 7segment links:
[[http://www.hacktronics.com/Tutorials/arduino-and-7-segment-led.html|Some code]]
[[http://www.parallax.com/tabid/405/Default.aspx|Circuit without transistors for multiplexing]]
[[http://ecetechprojects.com/2011/03/30/arduino-7-segment-display-and-multiplexing/|Code for multiplexing without delays]]