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Congrats to MAKE pal Dino Segovis, who just published the 52nd and final project in his one-year Hack a Week series: This cool laser “oscillograph” that modulates an audio input across the beam from a green laser pointer using a linear actuator recovered from a junk hard drive. A spinning mirror provides the time element.

One thing I’ve always liked about Dino’s projects is that he reports his failures: What you tried that didn’t work is usually just as important, to yourself and to readers, as what you tried that did. But a lot of people skip it to save time and, perhaps, some element of personal embarrassment. Anyway: WTG, Dino! And thanks!

Laser Oscillograph

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I write for MAKE, serve as Technical Editor for MAKE magazine, and develop original DIY content for Make: Projects.


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