HOWTO make your own Wiimote peripheral | Windmeadow Labs With a little wiring a Wiimote can be made into a cheap bluetooth transmitter for your microcontroller project.
STM Trademark Video of wireless fencing Beijing 2008
WiTricity WiTricity is an American engineering company that manufactures devices for wireless energy transfer using resonant energy transfer (oscillating magnetic fields). History
Resonant energy transfer