Frank, Sammy & Dean were a great team known as the "Rat Pack". What's true for these fellows is also true for Sinatra, Ruby and Arduino.
(see Euruko talk proposal https://github.com/euruko2012/call-for-proposals/pull/60)
Idea: make a hack session demonstrating how to turn Objects into Social Objects with these three fellows.
Looking forward to get some hacktable & rat pack workshop <3 going!!!
Here's what you'll need besides the Arduino software and a Github & Heroku account. Extra coolness is added by the Fritzing sketching tool.
Lazy version (I use this setup):
A Fritzing Starter Kit + an Ethernet / Wify Shield. There you go!
pushbutton, LED, arduino, ethernet/wifyshield, matching Resistors, breadboard, cables... uff, there you go!
In case you choose the Ethernet version: please BYOE (bring your own ethernetcable)