I wish to build a line follower, which can follow red line on white background, i tried with IR sensors but it can't distinguish red from white... Which sensor should i use...??? -> white LED with photo-transistor -> white LED with LDR -> red LED with photo-transistor -> red with LDR -> IR wit…

Red Line Follower

zooto68 December 21, 2010, 3:33pm 10

Why a red line? Why not black ?

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