So you’re a big Batman fan and you’ve always had this secret fantasy to have your own Batman signal. Perhaps you wanted to emulate your favorite super hero and pretend Commissioner Gorden needed you to save Gotham for the millionth time from the likes of The Joker, The Riddler or the fiendish Mr. Freeze. Perhaps you had a more down to earth, practical use for a spotlight such as just something plain and simple that you could turn on and flash at the wall during the wee hours of the night as you study for finals.
In either case, Instructables has a nice DIY that will allow you can create your own USB Batman spotlight.
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