Chad brings us yet another use for the Wiimote: firefighting robot. The Wiimote acts as a communications gateway via bluetooth to a host PC. The IR sensor is used to detect the fire, and the commands from the host are passed along via the Wiimote expansion port. The robot is pretty basic, but the use of the Wiimote to relay bluetooth comms via I2C is a fantastic hack.
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Line Following Wheel Chair
[Niklas Roy] sent in probably one of the largest line following robots ever built. The Gallerydrive project is used to move visitors around an art gallery. It can follow either a black or white line. It also has a touchscreen display for displaying information about the art which is read from RFID tags. Niklas has a full diary of the build on his site with everything you need to build your own.
