The official Wii Sensor Bar is also a little weak--the console's manual states that it is most effective when a user is no more than 8 feet away, and it begins to get really jittery beyond 20-feet.

That's what these guys did, ripping the Wii's sensor bar apart to find nothing more than a couple of IR transmitters, meaning that the Sensor Bar does very little sensing and most of the Wii's ...

Yahoo Auctions This controller comes with a sensor bar, meant to plug into a GameCube's memory-card port. This image includes the final Wii sensor bar for comparison's sake.

It seems that the Wii Sensor Bar runs on 7.5 volts barreling out of the Wii console itself. Therefore, an industrious young man, if he put his mind to it, could add a DC adapter from Radio Shack.

Without the need for candles, IR hacks, PCBs, soldering, or even (visibly) voiding your warranty, you to can hack that Wii sensor bar to make it wireless for $8 (or less).

So, your Wii sensor bar has slid down the back of your TV for the umpteenth time and you just aren't up for diving into the rats nest of cables this time, maybe this time you should just leave it ...

The video demonstrates that the Wii ‘sensor bar’ is just an array of IR leds. The actual sensor is in the remote control – which probably sends data to the Wii via RF.

The Wii sensor bar is a misnomer, as it doesn't actually sense anything. Rather, two diodes emit invisible infrared light which sensors in the Wiimote use to determine where it's pointing.

Having experienced quite a bit of trouble getting the Nintendo Wii remotes to work reliably with his home theater projector, [Sprite_TM] designed his own sensor bar replacement. If you’re not… ...

This clever hack projects infrared dots onto the wall so your Wiimotes work without the Wii IR sensor bar. If you're unfamiliar with the setup of the Wiimote, the design is simple.

The sensor bar works exactly the same as the traditional Wii sensor bar, except it now looks like a remote control. Originally the mod was done as just wires and batteries.