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Im trying to make an arduino project which uses IR remote control and does certain thing.

My doubt is the weather the hex codes of some remotes be similar and if they are how to tell arduino to only take inputs from my IR remote so there is no interference from any other IR remote based applications like tv.

Or should i make a custom IR remote and define some custom hex codes and then there will be no interference ?

Or is there any other work around open to suggestions here.

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    Not very likely. You wouldn't want your TV to turn of when you change the volume of your stereo. Manufactures know this, and make their codes as unique as possible. Though for example, two Samsung TV remotes could use the same codes, even it they are different models. In practice this isn't an issue, since most people only have one TV per room. Though in your case it could cause interference. I, myself actually use the colored buttons on my TV remote for one of my projects. I don't use them on my TV, and pressing them doesn't do anything on the TV (most of the time).
    – Gerben
    Dec 23 '20 at 15:45
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    The modulation rate for the remotes and set top boxes is between 36 kHz and 60 kHz. Determine what you are using and switch to another, just do not pick a harmonic.
    – Gil
    Dec 24 '20 at 2:23
  • can you tell me the range of these kinds of remotes [link] bm-es.com/wp-content/uploads/2019/08/4.png. and can i recieve iR signal from normal remotes using an obstacle detection sensor like this one. [link] bm-es.com/wp-content/uploads/2019/04/s-l500.png Dec 24 '20 at 3:24

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