Automated CD ripper build from Lego and other parts

[Paul Rea] decided it was finally time to get rid his CD and DVD library by ripping the data onto a hard drive. He has a rather extensive collection of discs and didn’t relish the thought of ripping them one at a time. So he set to work building his own automatic CD ripper/duplicator.

Right off the bat he had several specifications for the build. He wanted it to be platform independent, reliable, and cheap to build. We think he really hit the mark, but he does mention that he’s got a second duplicator build in mind already. This version makes heavy use of Lego parts for the arm and gearing. The base has a stepper motor which swings the arm in an arc which reaches the input pile, the optical drive try, and the output bin. The arm itself has a two-part wooden gripper that is positioned over a CD and uses a limiting switch to sense when the vertical orientation is at the proper point for gripping a disc. We enjoyed reading his log as he discusses the various building challenges he encountered and how each was overcome.

We’ve seen a few other builds like this before. One of our favorites is from way back.

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