you should try google with the text - wiimote wiki.

These are some related sites which you will find interesting.

wii linux community

wii and 3dgs page.

wiimote - windows ----- howto

wiimote - Technical details

GlovePie - Wiimote ---- details.
There are complete data-sheets and technical specification on the net, somewhere.

Hope all this will help you.

My Specialities Limited.