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

system December 21, 2010, 10:10am 2

forgot to mention, i tried IR with photo-transistor (photo-diode).

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