Make:

• Make Projects - Volume 07
• Send GPS data to your computer without a microcontroller
• Homebrew iPod remote allows for easy control for the visually impaired
• Eglantine lamp
• Multitool keys
• HOW TO - Mod a VGA screen into a Chumby

also be sure to check out the styrofoam plate "hi-fi" speaker (link is at the bottom of that page...)

A speaker IS a magnet, wire and a cone of some sort. Good grief. Throw some legos at it and everybody is amazed.

If you want to be persnickety about it, it's really not a LEGO speaker at all--no more than a Mustang is a "rubber car" because it has tires. What's clever about it is actually just what you said: it shows people how simple a speaker really is. I love stuff like this because hopefully it will get people a little more comfortable with electronics and not be so intimidated by the idea of wiring something together.

yup, we did something like this in my honors physics class last year with an old cool-whip container. It worked suprisingly well.

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