Here's a usb powered sensor bar.
http://www.amazon.com/Nextronics-Sensor-Bar-USB-Nintendo-Wii/dp/B001UAAX60
It would be much cheaper to build or convert one, but $25.00 isn't that bad.
http://www.amazon.com/Nextronics-Sensor-Bar-USB-Nintendo-Wii/dp/B001UAAX60
It would be much cheaper to build or convert one, but $25.00 isn't that bad.
