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Fantastic “Beer Pong” Robot uses Precision Air Pressure

Fantastic “Beer Pong” Robot uses Precision Air Pressure

Students at the University of Illinois have created a precision method of sorting different objects and shooting them across a room (perfect for beer pong).  You’ve probably seen a similar demo in a physics classroom : a  jet of compressed air...
The LED: History and How to Build One

The LED: History and How to Build One

Take a tour through the world of the light-emitting diode. Learn - who invented it, how to use it, and how to make your own. Collin Cunningham: People are fascinated by light. I mean just glancing over at a display of flashing lights can grab my...
Turn a Dead Hard Drive into a Grinder or Sander

Turn a Dead Hard Drive into a Grinder or Sander

Odds are you have a pile of dead hard drives lying around. Utilizing the RPM of the hard drive platter, you can create a grinder or even a sander out of a bad drive. Basically, crack it open, glue on a sanding disc (or grinding disc) , and plug...
How to Build an Incredible Custom Wall-E Robot

How to Build an Incredible Custom Wall-E Robot

Starting with a lame Wall-E toy, this hacker gutted it to the bare bones, attached servos, infrared sensors, LEDs, and a microcontroller to resurrect it into an lifelike autonomous beast. The author has a well documented build, filled with...
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How to: Transmit Data Through a Laser

How to: Transmit Data Through a Laser

Secretly shoot your voice across the room in stealth mode on a laser beam in this fun and easy project! Make Magazine and Kipkay present this cool spy trick. Build a simple laser communicator that transmits your voice across a room. You need an...
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...
KegBot - Beer Keg on Wheels

KegBot - Beer Keg on Wheels

It’s a beer guzzler’s dream. A beer keg on wheels that motors over to your friends and serves them from the tap. And it’s all remote controlled by you. The concept is quite simple really: take a beer keg and mate it with motorized wheels...
Arduino and Ikea = Superb RGB LED Table Hack

Arduino and Ikea = Superb RGB LED Table Hack

Taking a stock Ikea table, this hacker added a set of 81 individually controlled RGB LEDs to the frame, creating a glowing livingroom centerpiece.  Using the Arduino, he can individually address each LED to control the color change.  Now if only...
Roomba Powered Pac-Man Project

Roomba Powered Pac-Man Project

This is a video of Roomba Pac-Man in action. More information...
Simple LED Project: Knight Rider Circuit

Simple LED Project: Knight Rider Circuit

This is simple circuit to make LED Knight Rider project. There are using just only 6 LEDs and blinking like knight rider...
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