Using an LED array and some reflective tape, you can use the infrared camera in the Wii remote to track objects, like your fingers, in 2D space. This lets you interact with your computer simply by waving your hands in the air similar to the interaction seen in the movie “Minority Report”. The Wiimote can track upto 4 points simultaneously. The multipoint grid software is a custom C# DirectX program.

Software
To run the grid program you see in the video:
1. First, follow this walkthrough on using the wiimote with C#. You may need to download a copy of Visual C# Express to compile/run this sample if you don’t have it yet.
2. Download a copy of the DirectX SDK. You may not need this to simply run the sample grid program, but you will need it if you want to make any changes to it.
3. Download the Wiimote Multipoint Grid sample program. Make sure your wiimote is connected via bluetooth, and then run the “.exe” shortcut in the main folder.

A visit to this project’s FAQ and Advanced Discussion post may be very englightening. You may also find the official discussion forums for my wiimote projects helpful: WiimoteProject.com

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