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A novel interface to enable people with severe upper limbs impairment use a smartphone and a tablet is presented in this paper. Since smartphone and tablet market is constantly increasing and is overcoming respectively the one of cellular phones and the one of notebooks, the availability of novel human device interfaces (HIDs) for the disabled person is mandatory. Few solutions for Android and IOS-based devices are available on the market but not all the disabled users can take advantages of these products since these HIDs can mainly be used with upper limbs. Even though other types of HID technologies for disabled users are available, such as camera-based and inertial guidance systems, these can nowadays be used only with personal computer operating systems and they are not available for operating systems dedicated to portable devices. Therefore the technology transfer to Android and IOS is an eligible and novel result. To this aim a device featuring inertial-based pointer guidance and connectivity for standard sensor switches, is presented in this paper. It allows a person with disability to upper limbs to use a smartphone and a tablet by means of head tilt. A prototype of the device has been developed and tested, allowing some preliminary tests. A second test campaign with final users is soon expected and a second version of the prototype will be released according to the user's feedbacks.
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