You might remember the Hard Drive Laser Oscilloscope from a few weeks ago. I have had many inquiries about how to build one. This page should give you enough details so that you can make your own. Basic Overview A hard drive voice coil circuit is hacked to allow it to be directly connected to a stereo output. This allows audio to move the hard drive read write head. Mirrors
Looking for a fun way to destroy all of those old CD-ROM disks that have confidential information on them. Give the Hammerhead a try! “Hammerhead the CD thrower is composed of two main parts, the head that throws disks, and the tail which feeds the head with compact disks. Two big “4×4 off-roader” (8466) wheels, rotating very fast, grip the CD as it is inserted between them by the feeder,
Here is an environmentally friendly way to listen to music. If you want to crank it, pray for a sunny day 🙂 “A while ago I got a pair of computer speakers for free from Newegg, when I bought a wireless keyboard and mouse for 21 USD. Now, I already had 3 pairs of computer speakers, and since we only have two computers, two pairs were just sitting there taking
Want to rip off 7-11? Is getting 3.2 Liters of soda for $0.89 good enough? That’s what these university students did… “We dremeled around the edge and were able to, with pliers, tear out the internal plastic layer. Under that is a high density foam, which is somewhat of a pain to breakup and remove, but it doesn’t stick to the edges, so that was nice.”
This bottle launcher looks like it would be lots of fun to use. “It works like this: Fill the bottle up with water about one third of the way up. Set the air compressor to a pressure which you think is reasonable (high pressure = greater risk of explosion and injury). Put the bottle on the launcher and hold it tight against the rubber seal on the bottom. One person
Click on the picture to watch the animation of the lights in action. Xmastree drilled some holes in some Perspex and installed some red and blue LEDs. The LEDs were fitted into some holes that were drilled and connected to the power and hard drive access LED outputs of his computer. The result looks quite unique. “The blue (central) one comes on with the power, and the red is the
The XRC is a cool new controller that allows you to use for your Game Boy that is collecting dust. ” The Xport Robot Controller (XRC) turns the Game Boy Advance and standard LEGO components into an advanced robot development system. The XRC combines the features of the Xport plus * 4 closed-loop back-EMF motor controllers * 16 digital sensor inputs * 8 analog sensor inputs * In-system NiCd, NiMH
