Ohh... There are wiimote to nunchuk extension cables out now, would be handy for using the nunchuk with with a microcontroller, or using a wiimote with a microcontroller (like the firefighting robot).

Froogle

[url=http://search.ebay.com/search/search.dll?sofocus=bs&sbrftog=1&from=R10&_trksid=m37&satitle=wii+extension+cable+-gamecube+-logitech&sacat=-1%26catref%3DC6&sargn=-1%26saslc%3D2&sadis=200&fpos=65301&sabfmts=1&saprclo=&saprchi=&sass=&fsop=1%26fsoo%3D1&coaction=compare&copagenum=1&coentrypage=search]eBay
[/url]

I was still trying to figure out how to make my own connectors until I found these on eBay while searching for something else. I've been looking into making a controller to Wii classic controller adapter, this makes it dead simple to connect.