Complete HOW TO and source code for making a barcode scanner out of LEGOs. The Barcode Scanner uses standard LEGO parts with two exceptions. The first is the laserbrick, a selfbuilt LEGO brick with a modified laser pointer connected to an output of the RCX. The second part is the barcode label from a LEGO box.Thanks Douglas! Link.
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This is pretty kewl! Of course, this is coming from a admitted barcode nerd. Card carrying member no less.
And to think I was one of the nut jobs hacking the comical CueCat oh those many years ago.
People are still hacking the comical CueCats, too.