9th December 2007, 9:22 PM
In fact a couple of candles will substitute easily for a sensor bar. Nothing complex about it. Just two infrared LEDs the Wii remote cameras pick up, and so anything that emits infrared (that is, anything, but it would need to be at least a little stronger than background objects) would do.
"On two occasions, I have been asked [by members of Parliament], 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able to rightly apprehend the kind of confusion of ideas that could provoke such a question." ~ Charles Babbage (1791-1871)