We had our third hardware group meetup at C4DI this week. A bunch of plucky souls turned up to develop some software to help secret agents who have no hair. No, really. You can find the notes here if you want to have a go yourself.
I took along a few of my wedding lights to show folk how they work. You can see them under construction above. The next meetup will be in a month or so. I'm presently writing up a document that covers exactly how they work, which you might find useful if you ever want to create remote controlled stuff.