Build Your Own Electric Etch-A-Sketch
mhaisley writes "Ok, case mods are cool, monitor mods are nifty... but an Electric Etch-a-Sketch beats either. Students at Cornell University built an electronically controlled etch-a-sketch, controllable by a PC mouse. This was part of a group of class final projects featured by their instructor."
You must be new here or your post would have refered to the GIMP.
An LED that counts in binary isn't hard -- if you use a flasher LED: 0 1 0 1 0 ...
One line blog. I hear that they're called Twitters now.