Saturday 16 March 2013

WEEK EIGHT

Bismillahirrahmanirrahim.



The circuit above is the sample circuit that I can use instead of the circuit that I had posted before. For my project, I will use the same circuit for right-left and upward-downward which means, I will use two same circuit construction, one for right-left and another one is for upward-downward movement of eyes. 


Above is the figure of eye movement and the effect of the signal on the LCD display. When the eye is in the upward gaze, the LCD will display "Cursor move UP" and when the eyes is in downward gaze, the LCD will display "Cursor move DOWN". It is the same for the rest which are for right and left gaze. And for clicking, the eyes must blink for longer time to differentiate the involuntary action of eyes blinking. This is because the saccades inherent in the eye motion as well as blinking of the eyelids can produce changes in the EOG signals. 

Barakallah.


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