This website seems to sell IR keychain lights that might be ready to use, but I haven't tested them.
Building pens: Here is a simple schematic of the light pen. You also might be able to jump start your experimentation by retro-fitting a mini keychain light with an IR LED. This website seems to sell IR keychain lights that might be ready to use, but I haven't tested them. I'm currently looking into manufacturing and selling IR pens, but this may take several months.
welcome to the forum!please read this thread about the error:http://www.wiimoteproject.com/support/error-0xc0000135-t701.0.html#msg2804//UndCon
404 Not Found.Could you verify the link please?