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Reverse-Megaphone Spy Hack

Reverse-Megaphone Spy Hack

Make a bionic hearing spy device by hacking a...
How to Survive: Start a Fire using a Battery

How to Survive: Start a Fire using a Battery

Take a piece of steel wool and tuck it into the toilet paper.   Lightly touch the battery to the steel wool.  Blow.  Now put that thing out, before the smoke alarm goes...
How to Build a Huge Christmas Lighting Display

How to Build a Huge Christmas Lighting Display

Here is a behind the scenes tour of the Holdman Christmas Display. It explains many of the elements in the display including the arches, megatree, color changes, etc. For more information about our display, you can visit us at...
Multiplayer PSP with only one UMD

Multiplayer PSP with only one UMD

Play a game in multiplayer mode against a friend when only one of you has the UMD for the game. It’s a rather simple hack that’s easy to perform, yet saves everyone money in the long run (besides Sony of course) View the Full...
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XBox Media Center (XBMC) for PS3

XBox Media Center (XBMC) for PS3

We’ve covered some neat Xbox Media Center (an extremely powerful, fully customizable “hub” to manage all of your music, videos and pictures) projects in the past and here’s a way to install it on your PS3.  The video above walks you...
Make your Own 21st Century Sundial

Make your Own 21st Century Sundial

If you thought sundials were a thing of the past, think again. The only difference is that this time around things are much more high tech. Over at 5volt there is a fantastic tutorial demonstrating how to build your own laser sundial. The great...
LED Board for Google Voice to Text Message

LED Board for Google Voice to Text Message

Learn how to  and shows you how to link an LED sign to your Google Voice account which can physically show you your voicemails through an array of LEDs.  The video below walks you through a quick demonstration of how the LED message board...
Fantastic 3D Visualization Wiremap

Fantastic 3D Visualization Wiremap

Using nothing but a few threads and a projector, you can create what’s called a wiremap which is a 3d visualization of light. For such a simple setup, the results are downright fantastic.  The video above is just a small sample of what the...
Wiimba - Cross between a Wiimote and a iRobot Roomba

Wiimba - Cross between a Wiimote and a iRobot Roomba

This is my first roomba hacking project. In short, I changed my wonderful roomba into an ordinary dull vacuum cleaner using a remote controller of...
DIY Solar Powered Beam Robot Miniball

DIY Solar Powered Beam Robot Miniball

This solar powered beam robot charges up a capacitor which powers motors and propels the “hamster ball” forward.  The sphere runs in the direction of movement of the device inside and it’s also a basic example of what BEAM Robotics is all...
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