David] has a young child who is clever enough to use a computer to play music, but he doesn’t quite want to hand over the ...
We’ve likely all looked at a simple problem in our lives and thought that it would be an easy fix, only to realize that the ...
Take two DVD players, use one as a plotting platform moving forward and backward, and mount the other vertically on it to provide left and right displacements. Add a simple RC servo to it to move the ...
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