Learn How hydroelectric generating stations produce electricity. ... more.

How Does Electricity Works? Check out the Video Learn and understand the working of Electricity ... more.

This video is about electrical wires. It describes common types, configurations of wire, and wire terminology. It explain the gauge system of rating wire size (diameter), circular mils, current capacity, and others. ... more.

Change a normal 9v battery into a life saver. If you have ever run out of juice on your phone and could really use a quick charge then you need a USB battery. Shopping list: 1 5.1v zener diode 1 330-ohm resistor 1 9v battery connector 1 9v battery solder and soldering iron (you can get all of this at radio shack) Instructions: 1. Solder the Zener diode to the left and right USB connecto... more.

This video describes Resistor Color Codes and how to read them. It relates Resistor Color Codes to scientific numbers and engineering notation. ... more.

Shine an alien or any other design on a wall with this $5 LED projector. Get the PDF for this project here: http://blog.makezine.com/archive/2009/12/weekend_project_alien_projector.html. ... more.

Making your own printed circuit board can be a truly satisfying process, tying together electronics and the handmade craft of etching. It's the most accurate way to build a circuit short of sending away to a PCB manufacturer and it's a lot more fun (+ cheaper too!). For a full list of materials used plus more tips for etching & drilling head over to MAKE's site - http://blog.makezine.com/archive/2... more.

Every useful electronics project deserves a good enclosure. Providing a proper case for your circuit can protect it from accidental spills & falls - plus give it a cool look you can proudly show off to those unfamiliar with soldering and such. ... more.

This is how you make some low-quality fuse for people who cannot purchase fuse like me. It is not a perfect replacement, but it works. ... more.

Here is tutorial on how to make an electronic ignitor out of a christmas light. It is fairly simple and straightforward, so you could probably turn out 10 ignitors in 5 minutes. I tried, but failed to keep this video as short as possible. Enjoy. ... more.