Howto: Built your own USB powered Wii sensor bar
Just when i was about to write this tutorial, i found it on the web already. Good for me because it saved me some work, and the guy even did a better job than i did. Here’s mine:

As you can probably tell i was focusing on the functionality, not the looks in this first approach - and i succeeded.
So before you start laughing go and built your own!
(I used a 100 OHM resistor and 5mm LEDs and a MacBook and it works fine, too)
