How to code to use infrared to detect a real object to check if exist in the IR detect range by using ios or android device?
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It is not possible because:
- It sends only, not recieves
- Very few android devices have infrared sender
- NO iOS devices have infrared sender
- Very few/no phones have infrared reciever
In most cases there are two links(for an instance in a TV); The sender and the reciever. Very few things have both IR sender and reciever.
Also see these:
Is it possible to capture/receive IR signals in an Android application?
