Build your own LCD Video Projector. Here are some other LCD projector plans recently mailed to me by somebody, I scanned them in for you: By the time you are done going through all this information, you should be able to build a video projector that will work as well as any one of the brand name LCD video projectors that cost hundreds to thousands of dollars, for less than $300.
To get started you need to know how these projectors work. Keyboard Choices: Reducing Wrist Pain, and QWERTY vs. Dvorak. I used to experience wrist pain, and I thought that it was due to the large volume of typing that I do (ten hours on a bad day), coupled with playing the guitar (and trying to learn piano).
However, I am happy to report that with some simple changes I have experienced no pain in many years. The main things that I suggest, in increasing order of difficulty, are (a) adjusting your furniture and keyboard to be consistent with modern ergonomic standards, (b) resting and stretching per the latest ergonomic fads, (c) switching keyboards (to a Kinesis "contoured" keyboard, in particular), (d) using foot pedals, and (e) switching to the Dvorak keyboard layout. Optimus keyboard. Viewport USB to VGA adapter for Windows - Engadget - www.engadget.com.