The TV-B-Gone is an open source project by Adafruit and Mich Altman that stores all of the TV On/Off codes for virtually every brand of TV in the world. In short terms, it is a device that turns off TVs.
For more information on what it is, see the Wiki and Ladyada's site.
"Tired of all those LCD TVs everywhere?
Want a break from advertisements while you're trying to eat?
Want to zap screens from across the street?
The new Universal TV-B-Gone kit is what you need! This ultra-high-power version of the popular TV-B-Gone is fun to make and even more fun to use. "
Source: http://www.ladyada.net/make/tvbgone/index.html
Here is Ladyada's awesome TV-B-Gone website.
http://www.ladyada.net/make/tvbgone/index.html
It has great documentation on the build plus the schematic, firmware, and PCB in the Eagle format.
For more information on what it is, see the Wiki and Ladyada's site.
"Tired of all those LCD TVs everywhere?
Want a break from advertisements while you're trying to eat?
Want to zap screens from across the street?
The new Universal TV-B-Gone kit is what you need! This ultra-high-power version of the popular TV-B-Gone is fun to make and even more fun to use. "
Source: http://www.ladyada.net/make/tvbgone/index.html
Here is Ladyada's awesome TV-B-Gone website.
http://www.ladyada.net/make/tvbgone/index.html
It has great documentation on the build plus the schematic, firmware, and PCB in the Eagle format.