Have a damaged trace on a PCB? Then see how to repair it. ...
Learn to instantly chill your favorite drink... from 80 degrees to 30 in less then 20 seconds. ...
This how-to video will show you how to zap charge a non-rechargeable battery with only two wires and a car. Sounds cool, and fun, unless of course you zap yourself. Watch this video circuitry tutorial ...
A stethoscope, often considered the symbol of a doctor's profession, but also used by safe-crackers and auto mechanics to hear sounds that otherwise couldn't be heard. Well, it's time to make a high- ...
This demonstrates how to wire a 555 timer chip for Pulse Width Modulation. Items used: solderless breadboard, 555 chip, 510 ohm resistor, 100k ohm variable resistor, 1 RGB LED at 20-25ma, wires, and ...
A basic instruction for electronic enthusiasts. I use an RGB LED and a 510 ohm resistor as I may change from 6 to 9 volts later, but with my LEDs i could go as low as 330 ohms. I sacrifice some brig ...
Finding a film projector for those who still shoot film, or those who still house film can be tough. They're either sparce or extremely expensive. In this six part tutorial, learn how to make your own ...
This is the edited version of the video that I shoot while preparing the silicone rubber layer for my homemade multitouch display. The original video is nearly two hours long so I speed up it and edit ...
Here's how to make a simple green laser projector using a DC motor, pipes, and epoxy. ...
Xeni visits the offices of the Electronic Frontier Foundation and speaks with Jake Appelbaum and Bill Paul, two of the authors of a security research paper that shows how your computer's memory can be ...