November 2, 2007

Make a Joule Thief
Cool Gadgets

5

Click To Play   Make has a great weekend project that shows you how to make a Joule Thief, this is a device that allows you to run an LED from a single 1.5 volt battery. For a similar project check out the rusty nail LED project. Via: Make Other than the toroid coil here is everything that you would need: 1K Resistor NPN Transistor Blue LED or White LED

Ion Cooler - Heat Sink
Computer Hacks

3

If you are looking to make a silent PC getting rid of the CPU fan is a big step forward. Have a look at this Ion Cooler CPU Heat Sink for some ideas. “After tinkering around one afternoon I came up with the concept for this little project. I have personally been using this in a specialized system I have for over 2 months now and haven’t had a single