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DIY Arduino Balancing Surface

DIY Arduino Balancing Surface

Here’s another superb Arduino project using just a few simple components (which are available in our DIY projects store). It’s a pretty simple setup using a laptop, webcam, servos, and an Arduino to monitor and balance a ball bearing on a...
USB Breadboard Power Supply

USB Breadboard Power Supply

Today we turn a 7805 Voltage Regulator and 4 AA batteries into a very simple Power Supply to charge anything that runs off USB. Breadboarding circuits are...
DIY Camera Stabilizer

DIY Camera Stabilizer

This video was created to show the action of the gimbal on my DIY Steadycam. This project shows the potential of Steadycam possibility for the lighter sub-compact Hybrid Camcorder Market. I have the Jazz Elite HD178. Inspired by the Hague MMC. ...
Magnetic Levitation Light Bulb uses Wireless Energy Transfer

Magnetic Levitation Light Bulb uses Wireless Energy Transfer

This movie demonstrates an implementation of wireless energy transfer, in combination with magnetic levitation. The result is a light bulb(20 Watt) floating in mid-air, while lit. Be sure to checkout the inspiration for this...
Build Your Own Vortex Cannon

Build Your Own Vortex Cannon

We’ve covered some superb giant smoke ring generators in the past, and here’s a smaller, simpler version you can build in a few hours. The smoke-ring shooting cannon is powered by a 12″ speaker which is boosted by an amplifier. As the...
How to: Solar Powered USB Device charger

How to: Solar Powered USB Device charger

Want to stop wasting energy charging your USB devices? Transform some cheap solar-powered garden lights into your very own solar USB charger. For step-by-step instructions on replicating this hack yourself, watch this video tutorial. Just watch...
Cheap, Multi-touch Whiteboard using the Wiimote

Cheap, Multi-touch Whiteboard using the Wiimote

Using infrared (IR) light pens and the Wii Remote, it is possible to create very low-cost multi-point interactive whiteboards and multi-point tablet displays. Johnny Chung Lee, Carnegie Mellon University. The software can be downloaded at ...
How to: Free Electricity from a Phone Jack

How to: Free Electricity from a Phone Jack

Learn how to get free electricity from your home telephone line just by watching this video. Save money on your power bill, and hack into the electricity coming out of the phone jack. The phone company doesn't monitor electricity usage, so you...
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Make a "Joule Thief" Circuit to Extract Battery Power

This week, Windell Oskay of Evil Mad Scientist Laboratories joins me to teach you how to make a super clever little circuit called the Joule Thief! The Joule Thief allows you to squeeze the life out of what most people think of as "dead"...
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...