http://www.instructables.com/id/USB-Powered-LED-Articulating-Lamp/
I designed this lamp as part of my senior thesis exhibition in college. It is a small-scale version of a classic articulating desk lamp that is powered by a standard USB port. The lamp can be plugged directly into a laptop to act as a keyboard light or it can be placed in a base and powered via a U…
By: mattpshaw