Hello, I have made 3 alarm units wit arduino Uno and Pir sensor. I would like to activate this alarm with a remote switch using IR. Button A = alarm Activated Button B = Alarm Deactivated My questions: What are the most used transmitters / button box Will they all send the same signal? So if…

In the US, we call them "key fobs" or just "fob". I don't know the source of that name. With IR devices, the answer will be yes, since they are never used as part of a security system, like a car unlock device. The Arduino cannot know which is which, unless you use IR remotes that are used f…

Control 3 arduino device with IR remote

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Control 3 arduino device with IR remote

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