I would like to control the following : when a person move or put his hand over a sensor I need to get 1 value and when the hand is not over the sensor get and zero (0) value and then I will do whatever depending on this 1 or 0. Can you tell me what kind of sensor to buy? I have IR EMITTER ld271.…

IR sensor to get 1 or 0

amjlopez April 10, 2011, 4:23pm 7

thank you.

But I don't know what sensor to use.
can you tell me please?

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