The basic idea of the projects is to build a human machine
interface which can be used to control mouse using head-tilt and
eye-blink. This mouse-emulating device can be found to be most
useful by physically handicapped people who can no longer control
the computers using their hands. Since the device relies on user's
head and eye movement, it can be used even by patient who are
paralyzed from shoulder downward. Simple head movement doesn't
require too much energy and neither does eye blinking. Therefore
user won't get tired from using this device. In this device or
goggle we are using 2D-accelerometer for detecting the movement of
the head according to this, the movement of the cursor has been
done. A photo sensor detects eye blinking. The Infrared transceiver
consists of a 935nm IR transmitter and a phototransistor mounted on
the same unit. This detects a strong increase in the reflected
signal upon intentional long blink as compared to normal eye blink.
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