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Battery Powered Portable VU Meter
What follows are instructions for constructing a battery powered portable VU meter, as well as detailed instructions for the construction of the PCB needed to complete this project. It was designed to...
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How to Repair an HP DV9000 - Series Laptop
I received an HP DV9260US laptop as a high school graduation present. It worked well until 13 months after I received it, one month after the warranty ran out. To have it commercially repaired would...
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LED-Lit BSG Viper Mk. II Model Build
For this Instructable, I built a LED-lit model of the Viper Mk. II from the new Battlestar Galactica series. The kit is manufactured by Moebius, I highly recommend their Viper Mk II kit and their...
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3D-Printed Geneva Drive
For this Instructable I made a 3D-Printed Geneva Drive, which is a mechanism that converts constant rotational motion into rapid, indexed motion of a certain number of degrees. This is really hard to...
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Prevent iClickers From Turning on in Your Backpack
This is a super simple Instructable, but it solves the biggest design problem with iClickers. iClickers are these remotes we use at the University of Colorado at Boulder to answer in-class questions...
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Growing a Venus Fly Trap Indoors in a Dry Environment
I've been interested in carnivorous plants since I was a kid, but I haven't had any for about a decade. Recently, though, the idea of growing a venus fly trap in my dorm room hit me. There were a few...
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Radial Display Nixie Tube Clock
I grew up long after vacuum tubes had stopped being used, but I always found technology from that area to be fascinating. Nixie tubes in particular I think are very cool. They are filled with neon gas,...
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EL Wire Jar Lamp
I had a bunch of EL wire left over from another project, and I wasn't really sure what to do with it. So I thought to myself, hey, cram it all in a jar! So that's what I did. I soldered all of my EL...
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Solar Walkway Lights Solar Panel Replacement
I recently put in a series of solar powered walkway lights in front of my house. They're equipped with a fairly powerful LED, and correspondingly have a large solar panel (compared to other solar...
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Handheld Fireball Launcher Magic Trick
This is a magic trick I learned about by watching the TV series "How I Met Your Mother." In it, the character Barney Stinson (Neil Patrick Harris) performs a magic trick where he shoots a fireball from...
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