April 30, 2006

Telephone Listening Bug

Leorick Simon found plans to built a telephone listening bug at Electronics Lab. His resulting project looks quite good. He also took the time to design a nice strip board component layout. “Here is a simple transmitter that when connected to a phone line, will transmit anything on that line (execpt the dial tone) to any FM radio. The frequency can be tuned from 88 to about 94Mhz and the

Fun with Gauss

What is Gauss? According to whatis.com is: “The gauss (symbolized G) is the centimeter-gram-second (cgs) unit of magnetic flux density. A flux density of 1 G represents one maxwell per centimeter squared (1 Mx ­ cm-2). The gauss was named for the German scientist Karl Friedrich Gauss.” How can this be fun? Watch the videos below and you will soon see! Check out FastMHz for more project details. “A Gauss

The Singing Keyboard

Here is a cool trick to play on someone. Make their keyboard sing when the caps lock button is pressed. Read more about it at The Mozmonkey Blog. “Take the musical element from a musical greeting card and connect it to the caps lock LED on the user’s keyboard. Each time the victim presses caps lock the music plays (and quite loud too). This is a great sleeping prank…It might