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How to: Etch a Printed Circuit Board (PCB) with Acid

How to: Etch a Printed Circuit Board (PCB) with Acid

They will help you avoid pitfalls and get your project up and running fast. In this DIY episode, see how to etch a printed circuit board (PCB) with acid.  Circuit Boards, nearly every modern electrical device uses them, but how do you make your...
Touch Screen, Linux-Based Digital Guitar

Touch Screen, Linux-Based Digital Guitar

Electric guitars require vibrations to create sound.  While they sound cool, this places an enormous amount of restraint on the guitar largely because the you have to concentrate on plucking perfectly and only have one hand free. The Misa digital...
Internet Enabled Pet Feeder

Internet Enabled Pet Feeder

Learn how to build an internet enabled pet feeder with streaming video. Now you can feed your pet from work or on vacation directly from your computer or phone.  The whole system is fairly simple and is controlled by the status LED on a Cisco...
DIY Ambient Light Systems

DIY Ambient Light Systems

Here’s an awesome DIY lighting system for you. This guy set up a wicked system that can be controlled by the colors displayed on his TV (similar to Phillip’s Ambilight) or by controlling it with his BlackBerry. He used and LED-Wiz...
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Solar Mirror Array Steam Engine Drives 12KW Generator

Solar Mirror Array Steam Engine Drives 12KW Generator

This is the first video from our "Viewers Video" segment where we showcase GreenPowerScience inspired work or other work that offers great ideas in the Green Energy Field.  Joe Carruth built this by himself and this is the third prototype of his...
Incredible Pro Theremin Players

Incredible Pro Theremin Players

A theremin is a musical instrument you do not touch. Tones generated by the device are based upon the proximity of your hands in relation to sensors. They’re easy to build, but much more difficult to play.  Take a look at these fantastic...
How To Make a Marshmallow Gun

How To Make a Marshmallow Gun

Measure, mark, and cut the pipe into one 1-inch segment, five 3-inch segments, and one 7-inch segment. To build the handle, put a cap on a 3-inch piece followed by an elbow and another 3-inch piece. For the mouthpiece, put the one-inch piece...
DIY Wrist-Mounted Flamethrower

DIY Wrist-Mounted Flamethrower

The Prometheus is what you might call the start of the "next-gen" level of do-it-yourself wrist-mounted...
How to Display Audio as Light, LEDs to Music

How to Display Audio as Light, LEDs to Music

We’ve got three tutorials to help you learn how to convert audio signals to LED light. One tutorial lights the frosted edges of plexiglass. Another uses signals directly from a sound card. Which ever method you choose, the result will be...
Physical Punch-Out Interface for the NES

Physical Punch-Out Interface for the NES

People are getting extremely creative with innovative ways to physically interact with game consoles. These hackers combined one of the greatest NES titles, Punch-Out with a boxing dummy to add interaction to the old classic. This hack involves...
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