IR sensor for arduino

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hi,

i want make stairs this:
https://www.youtube.com/watch?v=ir_cqs6ov5u
can tell me ir sensor should use? need 1 meter distance.
i found in ebay distance short
http://www.ebay.com/itm/290998986489?sspagename=strk:mewnx:it&_trksid=p3984.m1497.l2648
or can show schematic ir sensor self.

you use pressure-mat switch instead of ir break-beam switch.


Arduino Forum > Using Arduino > Sensors > IR sensor for arduino


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