I want to learn IR communication how to work

I want to learn IR communication how to work

How does IR send signals?
How can IR detect signals?

I know " how to use IR recivever ".

I want to imitate(replication) with light sensör and lights.
OR just 1 button and serial.print.

Is this what you want?

See also" Remote control - Wikipedia

Does this request have anything to do with your previous post?
https://forum.arduino.cc/t/how-to-make-one-button-with-binary-code-and-data-transmission/972096/18

no.
i want learn everything about data transmittion.

And do not reply my posts. you are not helpfull. you are annoying.

Does that apply to all three people who are trying to help you, or any in particular?

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