How does an optical mouse work?

How does an optical mouse work?

http://www.tech-faq.com/optical-mouse.sh...



You know, Yahoo! IS A SEARCH SITE.
read this: http://computer.howstuffworks.com/questi...



for more info on how other things work, check out that site.. it's get almost everything in it! ;D
I'ts a laser near a low resolution camera. It's more complicated than this but you can accept this performance.
It is a little oil lamp and it can track the movemunt