Righting Code HELP!!!

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hi
i doing project have motor drive belt attached piece of wood on slider. when turn on motor turns motor witch moves wood , down. have 2 sensors light sensors pots or else. thinking 2 light sensors , more light have faster motor goes. , 2 of them can move , down. when there light on 1 started moving in direction. want make game there target in middle , wont move wood onto target adjusting light each sensor gets. have no code yet please me

related this: http://www.arduino.cc/cgi-bin/yabb2/yabb.pl?num=1273232394/7#7


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