Category: Games and Puzzles


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---- PROTOTYPE --------- PURPOSE: To create a prototype of modified game controller using the Nintendo Wii System for individuals with quadriplegia or other severe physical disabilities. Using a Wii and customizing the Wiimote game controller, the WiiBfit system makes the Wii accessible to people with quadriplegia. The overall system design includes the use of the Polybot custom microprocessor board that is interfaced to a modified Wiimote controller to take accelerometer data. The accelerometer data from a standard Wiimote is not sensitive enough to pick up the subtle head movements of many individuals with quadriplegia. The accelerometer signals must be "boosted" before they are fed into the regular Wii console. Software running on the microprocessor interprets accelerometer data and communicates to the Wii console to provide input to the standard Wii games. The mechanical system includes a custom bandana that can be easily and comfortably attached to the users head with Velcro. This holds the modified Wiimote that can sense the subtle movements of the users head. By boosting the accelerometer signal, the modified Wiimote can then communicate to the main Wii console with inputs that look the same as any Wiimote. This allows the user to play games by themselves or against others.
The cost to produce the prototype is about $800.00 in materials. TITLE: The WIIBFIT. JOURNAL: NSF 2010 Engineering Senior Design Projects to Aid Persons with Disabilities. REF: Chapter 6: pp. 44-45. PAGES: 3 with cover. 2010. WEB:


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